I don't own Doctor Who, unfortunately.

It would be a lie to say that he wasn't nervous. It seemed that every phone call that beckoned them somewhere lately pulled him tauter than a bow string. Being without a family for so long, not having to worry about anyone other than whatever companion he had at that time, had led him to forget that along with the joy of family came the worry. Though given a choice between loneliness and this worry, he would take the worry.

Ever since Rory had called and said they needed to meet them back at Tony's, the Doctor had had an uneasy feeling in the pit of his stomach. Of course Rory had been quick to assure the Doctor and Rose that everyone was fine but beyond that had not said anything as to the nature of this impromptu call back to London. Rose was feeling the same way; he could feel her uneasiness rolling off of her in waves.

Somehow he and Rose managed to set the TARDIS down in its customary parking spot in Tony's spare room. Grabbing Rose's hand, he pulled her wordlessly out the door. Tony was waiting for them.

"In here," the younger Tyler said, motioning towards the other TARDIS. "Everyone's fine," he said preemptively. "This is just something you needed to hear in person. It's good news. I promise."

Some of the Doctor's tension dissipated, but he could still feel that muscle in his jaw twitch. Tony had pushed the door open and they found Rory entering from one of the corridors. Rose immediately let go of the Doctor's hand and ran to hug her youngest son.

"Everything alright?" she whispered, not letting him go. "We've been so worried."

Rory pulled back and beamed. "Everything is brilliant. I'm sorry you've been upset. I told you everything was fine."

The Doctor had moved closer to Rose's side. "So, what's the emergency then?" He was finally able to breath properly again.

"Someone who is very eager to see you again. She's been searching for years. Don't worry, we checked and I'm sure it's really her," Rory said in a manic rambling manner.

"Who are you talking about?" The Doctor was confused and was so focused on Rory he missed the woman who entered the room.

"Hello, Dad," Jenny beamed and the Doctor's mouth gaped open. She looked very much like he remembered, petite, long blonde hair and a big smile. Her clothes were different though, and they currently looked singed, torn and stained with soot.

His daughter. She was standing impossibly a few feet from him. Jenny, his Jenny, was here.

In the back of his mind he could feel her. Amongst the others, Rose, Rory and both TARDIS', she was there. A place once so empty it had felt like a gaping chasm was now filled with people he loved.

But how was she here? This was impossible, another impossible event. He made a mental note to have the TARDIS remove the definition of impossible from every dictionary on the ship.

Finally his mouth and legs seemed to work again. He bounded across the room to her in less than four steps. Scooping her into a tight hug, he spun her around in his excitement. "Jenny! How are you here? You died on Messaline. You died. I waited for hours and there was no sign of regeneration. I missed you."

"Might be a good idea to set her down, Doctor," Sabrina said from her position near where Jenny had entered the room. "Not a good idea to shake someone who's had recent head trauma. Even if they are a Time Lady."

"Head trauma?!" he exclaimed, setting Jenny gingerly back to the ground. "Are you alright? What happened?"

"Her ship crashed onto the planet we were on," Rory explained. "We were lucky that we got to her when we did. The ship was a total loss. I did manage to save a few things off the computer though. I'm sorry, Jenny."

"It's alright," Jenny said, gingerly making her way to the jump seat. "I liked that ship but I'm lucky you lot found me when you did. I don't fancy finding out if I can come back from the dead again."

"How did it happen the first time?" the Doctor asked, trailing after her. His face was still twisted in an expression of almost comical disbelief.

"Not sure exactly." Jenny gave him a smile. "I was about to be prepared for burial when I saw this golden light and heard this beautiful song. Something was pulling me back. Then I just woke up, hightailed it out of there and I've been looking for you ever since. I can hear that song now, too. First time since Messaline."

Jenny looked around for the source of the music. "It's a bit different, though."

"It's the song of the TARDIS," Rose said, slowly stepping forward, not wanting to intrude. "This TARDIS is the daughter of the Doctor's ship. So her song is a bit different."

Turning around, the Doctor grabbed her hand and pulled her forward. "Rose, this is my daughter Jenny. Jenny, this is my… well, my Rose Tyler."

"I'm so happy to meet you," Rose said, sitting down next to the girl and pulling her into a tight hug. "I've heard so much about you and I can't wait to hear about your adventures. How long has it been for you, sweetheart?"

"About four years."

"That's a long time to be on your own," Tony said from behind them.

"Sorry, guess I'm a bit rude myself," Rory said to his brother. "Jenny, this is our brother Tony. We'll introduce you to Trisha, EJ and Jamie later."

"Glad to meet you," Tony said, coming up himself to give her a brief hug. "I'm sure you and Dad have a lot to catch up on. How about I make everyone some tea?"

Jenny's face scrunched at the mention of tea. "What's tea?"

"A hot beverage, made from brewing leaves, very popular in Great Britain and in the Tyler family especially," Tony replied, patting her arm. "Try some. I'm sure you'll like it." He looked up past her. "Brina, Amy, would you mind lending Rory and me a hand?"

"Sure thing," Sabrina agreed before she and Amy headed out behind the brothers.

Rose shifted towards the door. "I'll just give you two some time to catch up."

"No," both the Doctor and his daughter chorused.

"Please stay," Jenny smiled sweetly. "I'd like it if you stayed."

"Of course I'll stay. If you want me to." Rose gave a small smile. "Why don't we go somewhere more comfortable?"

The three of them walked the short distance to back to the Library. The TARDIS had changed the layout to give Jenny a shorter walk. Mentally the Doctor sent his thanks and was rewarded with a satisfied hum and a wave of happiness from the ship.

Once settled comfortably onto couches, the Doctor and Jenny on one, Rose on another facing them, Jenny began to tell her story. The Doctor listened intently as his daughter told them the basics of what she had been up to for the past four years.

She had stolen the ship on Messaline and had searched far and wide for any trace of her father. Finding none, she decided to try a different approach and had relieved a Time Agent of his Vortex Manipulator.

Earth had seemed to be a popular place to find the Doctor, so Jenny had spent well over a year hopping from one time period to another trying to find him. She showed up at historical events that he may have attended, but she still didn't have any luck. So she'd decided to do her research before trying again and had gone to The Library.

"You weren't saved by the computer core, were you?" the Doctor asked in shock, wondering if he had been that close to finding her only to have her slip past.

Jenny tilted her head slightly to one side, confused. "What?" Briefly the Doctor explained the events that led to C.A.L. saving everyone in The Library. And with reluctance, he told her the story of how River Song had freed everyone from it. Rose leaned over and squeezed his hand, though her eyes looked tortured at the thought of what happened to their friend.

"Oh no," Jenny assured him. "I must have been there well before that happened. Glad I missed that, though it would have been nice to see Donna again."

Noticeably, the Doctor winced.

"Did I say something wrong?" Jenny asked.

"I'll explain later, sweetheart." Rose said softly, laying a hand on Jenny's shoulder. "Right now, I'm sure you're ready to get cleaned up properly and changed out of those clothes. Come on, I'll show you to your room. Well, your room on this TARDIS, I'm sure the other one has a room ready for you as well."

"Thank you, Rose," Jenny said as she stood up and threw her arms around the older woman. Letting go and turning to the Doctor, she hugged him tightly as well. "I'm so glad I found you." Tears glistened in her eyes.

"Me too." He was holding back tears of his own and he was reluctant to let her out of his arms.

"She won't disappear if she's out of your sight for a few minutes, love," Rose thought to him. "She's been through a lot today and the family can be overwhelming at first. Give her a bit to process everything."

"Thank you," he thought back to her.

Rose smiled and slid her arm through one of Jenny's. "Beauty here has told me that she picked out a couple clean outfits for you and put them in your room. Tomorrow, if you feel up to it you can peruse the wardrobe. I'm sure you will feel better soon, superior biology and all."

The door clicked shut and the Doctor found himself alone in the room. His knees buckled and he collapsed against the couch. Several tears dripped down his cheeks. How could he have just left her there? Jenny, his Jenny, had apparently died in his arms and instead of taking her body and treating it with the respect she deserved as a Time Lady, he left her there.

If he had taken her along, she could have awoken safe on the TARDIS with him. They wouldn't have lost so much time and she wouldn't have nearly died today crashing her ship. Mentally he tried to trace the possible time lines that would have been created. They were incredibly fuzzy and he was unable to follow them.

A creak alerted him that the door was opening. Quickly he wiped his face and sprang to his feet, wondering if it was Jenny or Rose reentering. It was neither.

Sabrina came in carrying a tea tray. Quickly she looked around and saw the Doctor was alone. "Oh, I'm sorry. Didn't mean to disturb you. I just wanted to check on you lot. Wanted to make sure you were doing alright. It's a bit of a shock having a daughter you thought was dead suddenly reappear in your life."

She nodded to the tray in her hands. "Had a bit of a tussle with the boys over who got to carry the tea tray. I won."

"No doubt." He said with a smile. Jumping forward he took the tray from her. "Here, let me."

"Thanks," Brina said, handing him the tray. "Where'd Mum and Jenny go?"

"Oh, Jenny wanted to clean up and change clothes. Rose went with her. Nothing like meeting your new family in singed trousers." The Doctor forced himself to laugh.

"Doctor, are you okay?"

"Oh yes, I'm always alright."

"Riiight." Sabrina crossed her arms over her chest and rolled her eye. "In Doctor speak that means something is really bothering you. Spill."

Despite himself, the Doctor smiled. "You are so much like your mother."

"And you say that like it's a bad thing." She grinned at him. "Are you worried that we won't accept Jenny? Because if you are, you shouldn't be. We love her already."

"It's not that."

"Well you shouldn't worry about Mum accepting her either. Mum loves expanding the family. She'd adopt half of London if we gave her the chance." Sabrina smirked.

The Doctor shook his head. "It's not that either. It's just…"

"Ah, there's something you're blaming yourself for, isn't there?"

That was twice today the Doctor had been rendered speechless. "How did you know that?'

Shrugging, Sabrina replied, "You raised me. Well, you know what I mean. Weight of the Universe on your shoulders. Tell me about it."

The Doctor stared at her for a minute. It was easy to forget that the young woman before him was not Rose's biological daughter. They were alike in so many ways. "I just wonder what would have happened if I hadn't left her on Messaline. What would her life have been like if I would have known that she was still alive? If I'd gone back to get her?"

Sabrina pulled him into a tight hug. She held him there for a few minutes before letting go. "If I've learned one thing from my being the adopted daughter of a Time Lord, it's that we can't change our personal histories or of those closest to us. Once you knew what happened to her, it was a fact. You can't change Jenny's past. Just focus on changing her future. That's something we can help her and others change."

The Doctor bumped her shoulder. "Look at you. All brilliant and having a concept of time like that. You know, Sabrina Tyler, if I wasn't already stuck with you," he gave her a goofy grin. "I would have asked you to come with me. Like a proper companion. There were times when I could have used a friend like you to keep me in line." His tone was teasing but he was completely serious.

A blush crept up her cheeks. "Well, I guess I am pretty magnificent. Come on, Doc... Come on, Dad, let's have our tea before it gets cold."

"You don't have to call me that if you don't want to. Just because other people are calling me that, don't feel obligated. Although I don't think you'd be one to succumb to peer pressure." The Doctor pulled her into a hug. "I know that it must be difficult and that you must miss him terribly."

"I do miss him very much. But I have thought long and hard about what you mean to me, so don't think I call you Dad lightly." She dug her chin into his shoulder. "One too many screw ups and it's back to Doctor. Got it?"

The Doctor pulled back and gave her a salute. "Yes ma'am."

"So, here you go. This is yours," Rose said as she pushed the door open. "If you need anything just let the TARDIS know. She's telepathic. So you just need to think about whatever it is you need and she'll get it for you. Within reason, that is. It should be easy enough for you."

"Why's that?" Jenny asked, stepping over the threshold to the luxurious room. It was nothing like the cramped quarters she was used. The room was large but not overly so. It was decorated in hues of soft blue and purple, with a large bed, a bureau and small sitting area.

"Oh, for a couple reasons. She likes you, in fact she's already very fond of you and it helps that you're telepathic as well. I'm sure that your Dad will want to work with you on controlling that particular skill." Rose stepped towards another door in the room. "This is your bathroom and the wardrobe's here." She pointed it out.

"Is it… I mean, is it okay that I'm here, Rose?" Jenny asked, keeping her eyes averted from the other woman.

"Of course it's okay. It's more than okay." Rose came over and rubbed her hands comfortingly over the younger woman's arms. "I know that all this isn't what you were expecting to find when you found him again. We're a large, loud, and rather complicated family, but you will always have a place here. You belong here and you will always be welcome."

Once again, Jenny smiled. "So, you and my Dad? Are you married?"

"That's a much more complicated question than you might think. Soon enough we'll tell you the whole family history. As for me and the Doctor…" Rose smiled fondly. "The short, sweet and confusing answer is that I was married to a version of your Dad for twenty years. And now the Doctor and I are just… together. We don't really have a label for what we are."

"So, does that make you my Mum?" There was a look of hope on her face. "I mean your Rory and Sabrina called me their sister and they're your children…"

"Sweetheart, you can call me Mum if you want. Because I see you as just as much my daughter as any of the others." Rose cupped her cheek. "Alright?"

"Oh yes, please." Jenny squealed in delight, throwing herself into another hug with her mum. She thought that she could get very used to the hugging.

After a minute, Rose gently extricated herself. "Now, time to get yourself all cleaned up, relax a bit. Dad and I will be in the Library when you're ready. And I'm sure your brothers, sisters, niece and nephew will be waiting, too." Rose squeezed Jenny's hand before leaving the room.

Once the door shut, Jenny yelled with delight. Not only had she found her Dad again, she had found an entire family. A place for her to belong. That was something that a child of the machine on Messaline could never hope for and yet all of it was real. Never in all her life had she been as happy as she was now.