Zaly came to with a groan and opened her eyes, rather unsure as to what had happened, only to close them the moment she did so, finding the light a little bright.

"Easy there," a voice broke through her confusion and she turned to it.

"Wh-what happened?" she asked, a hand going to her forehead as she opened her eyes again, blinking rapidly as they adjusted to the light.

The Doctor didn't say anything for a moment, causing Zaly's eyebrows to crease. "Rose saved her father," he finally said, though the red head could pick up on the anger he tried to keep from his voice.

"What?" she asked, sitting up as she tried to get her mind to work. She paused, realising she was resting against a wall, "Why am I on the ground?"

The Time Lord frowned as he took a step away from Zaly. "What do you remember?" he asked, his tone and hesitancy gaining the red heads full attention.

She frowned, trying to recall what had happened, "I...you dropped me off...you," her eyes narrowed on the Doctor, "You complete and utter imbecile," she growled as she got up, using the wall to help her, "I told you I wanted to go home, not nineteen fucking eighty-seven!"

The Doctor raised his hands, "Zaly, calm down. We've already had this conversation, remember?" he tried as he took another step away from the irate red head.

"Like hell I'm gonna calm down!" Zaly snapped as she took a step towards the Doctor, though the action caused her head to spin and she stumbled backwards into the wall.

"What did you do to me?" she demanded, trying to gather her thoughts, "And..." her eyes narrowed on the Time Lord, noticing a red mark starting to appear on one of his cheeks, "I wanna give whoever slapped you five pounds," she finished, closing her eyes to try and stop the world from spinning.

The Doctor rubbed his red cheek, wincing at the memory. "Like I said, Zaly. We've already had this conversation," he sighed.

"What do you me-"

The red head was cut off when she gasped as pain shot through her mind.

Zaly ran around the corner and found herself on Jordan Road. She paused barely for a second before spotting the Doctor and Rose.

"Doctor!" she shouted before taking off towards the pair, just as Rose ran off.

The Time Lord froze in shock and his eyes widened when he saw Zaly running towards him, "Zaly?" he said, completely at a loss as to what she was doing here.

"I am fucking going to kill you," Zaly growled when she reached the Time Lord and before the Doctor could respond, Zaly slapped him, "You call this home? This is not my home. Oh, sure, London, England, Earth. But you dropped me off nineteen years too fucking early! What type of time traveller are you?"

The Doctor was quick to grab her arm and drag her along after Rose while he spoke, "What do you mean, nineteen years early. I had the date already set the moment you told me you wanted to go home. The TARDIS was programmed to drop you off the day after you were picked up in 2006."

"And this clearly looks like 2006, doesn't it?" she snapped.

"Zaly?" the Doctor questioned, looking at the red head in concern as her face twisted in pain.

"I...I slapped you," Zaly said she slowly opened her eyes, the pain passing.

The Doctor let out a sigh and nodded, although he was concerned as to what had just happened.

The red head snorted, causing the Doctor to raise an eyebrow and she shrugged, "Just thought that the one time someone owes me money...it ends up that I owe myself."

The Time Lord just rolled his eyes.

"Why can't I remember anything else?" Zaly suddenly questioned with a frown, realising that what she remembered didn't explain why she had been on the floor.

"Like I said," the Doctor sighed, though his expression made Zaly think he was expecting to be slapped again, "Rose saved her father," he finished, turning to look towards the road where Rose and her father were talking next to a van.

"Wait, that's Rose's father?" Zaly asked, recognising who the blonde was talking to.

"Do you know him?" the Doctor asked in surprise.

"Okay. 7th November, 1987," the man told her.

"Yeah, it's the man who told me what year it was," Zaly muttered with a frown before she looked around, though unsure as to why.

"Zaly, come on," the Doctor said as he grabbed her hand, breaking her from her thoughts.

"Oh, yeah, okay," Zaly said as the Doctor led her over to the van, though she looked skyward when she thought she saw something fly overhead.

"Everything okay?" Rose's father asked, noticing the Doctor leading Zaly over to them. "Oh, I know you," he said in surprise, "Your the woman who wanted to know what year it was."

"Oh, yeah," Zaly smiled slightly as she rubbed the back of her neck, "Nice to see you again."

"You too, I think?" the man said, looking between the Doctor, Rose and Zaly in confusion before getting inside the van.

The others followed, Rose sitting in the front, while the Doctor and Zaly sat in the back.

"Are you sure you're okay?" the Doctor asked Zaly quietly, noticing she seemed distracted. He was also worried about what she had said about not remembering anything else after Rose had saved Pete.

"Yeah, everything's fine," Zaly told him, though she looked back out the window with a frown.

"Right, there we go," Pete Tyler said as he led them inside his flat, Zaly having learnt his name on the way over, "Sorry about the mess. If you want a cup of tea, the kitchens just down there, milk's in the fridge. Well, it would be, wouldn't it. Where else would you put the milk?"

Zaly raised an eyebrow at the man as he continued to ramble before glancing to Rose, who was looking around the flat like a kid in a candy store. Glancing towards the Doctor, she noticed that the Time Lord didn't look happy at all, and as much as she was still angry with him for dropping her off in the wrong time, she could clearly see that she had missed or forgotten something.

"...if someone invented a window sill for special compartments, you know, one for milk, one for yoghurt, make a lot of money out of that. Sell it to students and things," Pete continued, "I should write that down," he shook his head, "Anyway, never mind that, excuse me for a minute. Got to go and change," he told them before leaving the room.

"All the stuff mum kept. His stuff. She kept it all packed away in boxes in the cupboard," Rose said as she walked around the flat, "She use to show me when she's had a bit to drink. Here it is, on display. Where it should be."

Zaly drowned the blonde out as she tried to remember what happened after running into the Doctor. She wasn't to sure what the Doctor had meant that this had happened because Rose had saved her father, or even why she couldn't remember everything.

Closing her eyes, Zaly lent against the wall as she searched her mind, trying to locate her missing memories.

"And this clearly looks like 2006, doesn't it?" Zaly snapped.

"Look, this isn't the best time," the Doctor told her as they rounded a corner.

"Oh, and do you even know what time it is?" Zaly shot back before pulling her arm out of the Doctor's grip, "All I've wanted was to go fucking home, and now I'm being dragged into some more bullshit!" she exclaimed, getting more frustrated by the second.

"So my dad dying is bullshit, is it?" Rose spoke up, causing Zaly to look at the blonde, only to realise she had been crying, "What are you even doing here? I thought you wanted to go home?"

Zaly shot the Doctor a confused look, wondering what the hell was going on, but the Time Lord just folded his arms across his chest and raised an eyebrow at her.

Narrowing her eyes on the Time Lord with a glare, Zaly looked back to Rose. "Oh, I was. Until I found out that someone dropped me off at the wrong time," she said sarcastically.

The sound of sirens reached them and Rose seemed to grow more upset. "It's too late now," she said, causing Zaly to look between the pair in confusion, "By the time the ambulance got there, he was dead."

Zaly's eyes widened as she looked back around the corner, though she couldn't really see much. She frowned as she looked back to the Doctor and Rose, feeling like she wanted to hit her head against something, even though she really didn't have any idea that they would have just witnessed Rose's father dying.

"He can't die on his own," Rose said as she looked to the Doctor, "Can I try again."

"Time is fractured," Zaly muttered as she opened her eyes, only to wince when her head began to hurt, the whispers coming back.

"When we met, I said travel with me in space. You said no. Then I said time machine," the Doctor snapped at Rose, drawing Zaly's attention, though she was a little confused as to how the voices were back, since the Doctor had told her that he had replaced the wall that kept them at bay.

"It wasn't some big plan," Rose dismissed his accusations, "I just saw it happening and I though, I can stop it."

"I did it again," the Doctor said in exasperation, "I picked another stupid ape. I should have known. It's not about showing you the universe. It never is," he continued, causing Zaly to raise an eyebrow at him, "It's about the universe doing something for you."

"So it's okay when you go to other times, and you save people's lives, but not when it's me saving my dad," Rose snapped back.

"I know what I'm doing, you don't," the Doctor stressed, "Two sets of us being there made that a vulnerable point."

"But he's alive!" Rose told him.

"My entire planet died. My whole family," the Doctor exclaimed, causing Zaly to stare at him in surprise, "Do you think it never occurred to me to go back and save them?" he asked Rose, trying to get his point across.

Zaly furrowed her eyebrows as she looked to the Doctor, suddenly overwhelmed with a feeling of sadness. The red head wondered if he even remembered that she was there, doubting that he would have said anything like that if he did.

Though as she thought more about what Rose had done, she couldn't help but notice the whispers growing louder in her head and she shook it, trying to get rid of them.

"But it's not like I've changed history. Not much," Rose told him, "I mean, has never going to be a world leader. He's not going to start World War Three or anything."

"That's not his point," Zaly spoke up, pushing away from the wall and drawing their attention.

Rose glared at her while the Doctor turned to her in surprise, not having expected her of all people to agree with him.

"It doesn't matter how it happened or why, but right now, there is a man alive who shouldn't be. It doesn't matter if he won't amount to anything. The moment you saved his life, you created a fracture in time. And the fact that that man is alive has changed everything."

"What, would you rather him dead?" Rose asked in disbelief.

"Yes," Zaly said simply, "What ever happened, however Peter Tyler came to still be alive, it's wrong."

"Zaly, not now," the Doctor warned her and she just shrugged before leaning against the wall again. He stared at her for a second longer, almost as if he was trying to work something out before turning back to Rose. "She doesn't mean that," he told the blonde, and Zaly rolled her eyes.

"No, I get it," Rose sneered, looking between Zaly and the Doctor, "For once, your not the most important person in my life."

"I'm gonna go wait outside," Zaly said to no one in particular, having enough of the fighting as she headed for the door.

"Let's see how you get on without me, then," she heard the Doctor say before she stepped outside.

Zaly lent against the railing as she looked out to the view, finding her gaze being drawn to the sky as her mind tried to recall the rest of what had happened.

Zaly huffed as she stepped out of the TARDIS, though she didn't say anything as she followed the Doctor and Rose.

Even though she was completely against the idea and just wanted to go home, Zaly did feel slightly bad for her behaviour after having learnt that Rose had just watched her father die.

"Right, that's the first you and me," the Doctor told Rose as they looked around a corner towards their earlier self's, "It's a very bad idea, two sets of us being here at the same time. Just be careful they don't see us," he explained, "Wait until she runs off and me and Zaly follow, then go to your dad."

Zaly rolled her eyes at the Doctor, wondering why he would do this if he thought it was such a bad idea, and how the fact that there had been possibly three Time Lords in one spot, though she still didn't know how the Doctor could change faces.

"I can't do this," Rose muttered as she watched her father.

"You don't have to do anything you don't want to, but this is the last time we can be here," the Doctor told the blonde.

Zaly didn't realise until it was too late that Rose had started running forwards as her father got out of the van.

"Rose! No!" the Doctor shouted.

Rose dashed past her and the Doctor's earlier self's before pushing her father away from the oncoming car. Zaly stumbled backwards as the Doctor and Rose's earlier self's vanished, feeling a sudden coldness envelop her before she collapsed against the wall.

An image flashed through Zaly's mind of a creature that reminded her of an ugly gargoyle. It had red eyes with a pair of wings, two claw-like arms, a mouth on its chest and a tail that resembled a scythe.

"Come on, Zaly, we're leaving," a voice said as a hand rested on Zaly's shoulder, causing the red head to jump.

"Are you okay?" the Doctor asked when he noticed how pail she looked.

"Yeah, yeah," the red head replied quickly, though her eyebrows furrowed as she stared at the Doctor.

"Zaly?"

"Sorry, but wha-" she shook her head, frowning, "Just...just remembering what happened earlier," she corrected, turning away from the Doctor and heading down the stairs.

The Doctor watched her for a second, his eyebrows creasing slightly before following, unsure what she had been about to ask. He still wasn't certain what had happened since Zaly had collapsed, but he was starting to get the feeling that she wasn't fine.

"Are you sure you're alright?" he questioned when they reached the bottom of the stairs. He wasn't complaining that the red head was quiet, but she just seemed too quiet.

She jumped in surprise at his voice, causing the Doctor's eyebrows to furrow, having not remembered Zaly being this jumpy before.

"Yeah, I'm fine," she muttered as she looked skyward again, "Just a bit confused from earlier," she explained.

The Doctor nodded, accepting her answer though didn't believe her. He decided to keep an eye on her, though grew confused as to why the red head continuously glanced behind them or skyward. It was almost as if she thought they were being followed.

Just before the pair reached Waterley Street where the TARDIS was, Zaly stopped walking.

"Oh," she breathed, looking back the way they had just come and the Doctor paused as well, starting to get concerned with her uncharacteristic behaviour.

"Zaly, what is it?" he asked, but the red head just shook her head and glanced back to the sky.

She started muttering under her breath, trying to work through her thoughts and caused the Doctor to take a step closer to her so he could hear what she was saying.

"But a fracture in time would leave a wound and that would, like any other wound, lead to bacteria. But a wound in time is different, not generally seen, and so the bacteria would not generally be seen unless they wanted to be," the Doctor heard her mutter and wondered what she was talking about.

He didn't have much time to think on it as Zaly suddenly dashed off towards the TARDIS.

"Zaly?!" the Doctor shouted, following after her, but once again the red head didn't respond or even seem to hear him. They stopped just outside the TARDIS and the Doctor watched Zaly curiously as she continued to talk to herself.

"But if the bacteria fed on wounds in time, it would mean that they would also know of a TARDIS and be able to deactivate them. But that would mean..." she trailed off and held out her hand to the Doctor, who only looked at it in confusion, not knowing what she wanted. His eyebrows raised however, when he watched the TARDIS key he had just taken back off Rose float out of his pocket and to Zaly's outstretched hand.

The moment it landed in her hand, Zaly took a step towards the TARDIS and placed the key into the lock.

"What are you doing?" the Doctor questioned as he took a step towards her, rather unsure what was happening, but the moment Zaly pushed open the door, all previous concerns and thoughts left him when he noticed the TARDIS was empty, nothing inside but four plain walls.

"Reapers," Zaly said before holding the key out to the Doctor, "You'll need this," she told him.

The Doctor accepted it and closed and locked the empty box, looking at Zaly in confusion. He wasn't to sure what to make of the red head at this point.

"I do believe that the one known as Peter Tyler is behind this problem. The human who is alive, but shouldn't be?" she asked the Doctor.

"Who are you?" the Doctor questioned seriously, taking a step towards the red head. Whoever this was, it wasn't Zaly. As much as he found her annoyingly frustrating, he also found her interesting and, he would never admit it, a little fun.

Whoever was standing before him was not Zaly Pond.

The red head looked at him in confusion, a frown on her face. "Oh, of course," she said, nodding to herself as if she worked something out, "Ah, but how to explain..."

"Explain what?" the Time Lord demanded.

"You know, I guess my uncle was wrong about you," she said, confusing the Doctor.

Zaly Pond did not have an uncle.

"He use to speak so much about you and I always thought you were the smart one. Even mother thought you were brilliant, though a little...eccentric," she smiled as though recalling something, but shook her head when the thoughts turned sad. "Uncle always called you a dunderhead for stealing a TARDIS, but after my time at the Academy, I could see why you would have. Bunch of political nonsense if you ask me," her nose wrinkled.

"What?" the Doctor asked, but the red head continued, her face now serious.

"But enough of history, I need to find Peter Tyler. He mentioned one of those muggle churches, didn't he?" she asked before running off.

The Doctor watched her leave, frozen to the spot as his hearts beat quickly in his chest. Her words should have been impossible...no, they were impossible. There was only one Time Lord whom the Doctor knew personally to be an uncle, but that would mean...

"Tanith?" the Time Lord breathed before rushing after the red head, not wanting to lose her.