~~~~~~~~~~The Ride to Hogwarts~~~~~~~~~~~~~

The next day Harry woke up and saw Sarah in the Dining hall of the Leaky Cauldron reading the Daily Prophet. He sat opposite of her and they greeted each other.

"Did you know that Ron was in Egypt?" Sarah asked letting down the news paper.

"Yeah he gave me a copy of the Daily Prophet along with my birthday gift. That reminds me, how did you know Ron and Hermione?" Harry asked as Sarah stiffened at this.

"I – ah – I heard McGonagal and Dumbledore talking about you three and what you did in Hogwarts in the last two years." Sarah quickly made up something.

"Oh. You finished with your homework in History of Magic?"

"Not yet. You?"

"Nope. Wanna do it at Honeydukes?"

"Sure. Come on then." She stood up followed by Harry.

They went to Honeydukes and did their homework there while chatting a little. Sarah helped Harry understand the lesson and they finished their work.

"You're really like Hermione. Both of you are smart. You taking all the lessons too?"

"Nope. Divination, Care for magical creatures, Potions, Defense against the Dark Arts, Muggle studies, Charms, Transfiguration and Quiditch practices ya know."

"You only need a very few more and you'll do all of it."

"I know but I'm really up to magic. Being a muggle and all I would like to know as many as possible as you can about magic. Not only that, I was one of the achievers last year at my school and let's say have a talent but doesn't have too many friends and so I kinda got used keeping myself busy to avert my feelings. I also like reading stories. A have a whole briefcase full of them and I already finished most of them."

"Wow. Hermione's got herself an opponent. Wonder if you're any good."

"I guess. Snape liked me very much. I think he'll favor me in some way. Even the other teachers."

"No way. Snape? Impossible."

"Believe it."

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During the past week, Sarah and Harry spent each day together. They were happy together. Until the day they saw Ron and Hermione.

"Harry isn't that Ron?" Sarah said pointing at a read haired guy with a curly haired girl.

"Oh yeah. RON! HERMIONE!" Harry called to them while waving.

"Harry!" they smiled at him and went running to him.

"Hey man." Ron said "Who're you?" he asked Sarah.

"This is Sarah Alistair. She's a new student at Hogwarts. She was accepted late and had to go to a summer class for the missed classes. She's in Gryffindor and will be the new Chaser." Harry introduced her.

"Hello." Sarah smiled.

"Nice to meet you, Sarah." Hermione smiled at her.

"Hey." Ron smiled.

"You two going to Diagon Alley?" Harry asked.

"Yeah. We need to buy the books needed. And I was planning on getting a pet." Hermione said.

"Ok then. We could go together. I need to buy Kuro a new cage. Hogwarts is sending him to me today for his cage got broken. I swear I like that owl but he's so attached to me that he can't stand to be far away from me in a week." Sarah said sighing.

They went to Diagon Alley and got the new things Ron and Hermione needed. When they reached the pet shop, Crookshanks chased Scabbers just like in the book. And Hermione bought him and she and Ron argued about it. But what caught Sarah's attention was that the cat seemed more then what it looked like. First of all it kept looking at her and Harry in a sensitive way. Like he was their father.

Second, it kept on sending Scabbers glare's that if were knives it would kill the rat.

And third, how did it know it was not a real rat? Maybe it has great sense of smell but it seems impossible that it could do that. There has to be some magic in it. But what? It just doesn't make sense.

Sarah's thoughts was cut off by Hedwig. She suddenly attacked Scabbers too. How could that happen?

"Hedwig no!! Why are you two attacking Sca-" Harry then showed he started to have a bad memory again. "No.." he mumbled.

"Fuck. Harry no! Remember what will happen." Sarah warned in a worried tone but inside she wanted to kill the rat too and she doesn't even know why. It all confuses her. Why was she feeling this way? Why would Hedwig attack Scabbers? Unless she knows like Crookshanks does…

She got out of her trance when Harry said in a low tone so she was the only one who can hear "I know Sarah but you know it's hard to do it."

"Harry just think of Sirius. Think of what will happen if you do that. Think what will happen to you if you don't you can live with him and not the Dursleys." She said in a same tone.

"Fine. But you have to take that rat away now or I can't hold back." He warned in a low voice still.

"Okay, okay." She then turned to Ron "Ron wanna go with me in the Quiditch shop? I have to buy padding for my knee. To be safe ya know."

"Sure thing Sarah." Ron said smiling. They both went away.

"Harry why did Hedwig attack Scabbers? I could understand Crookshanks but why Hedwig?" Hermione asked.

"I don't know Hermione. But if that rat died I'll be happy. But I'll also feel sorry for Ron. I'll just buy him a new pet if that happens."

"Why will you be happy?"

"Things I can't say just yet Hermione. Because even I was surprised."

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The next days they spent time with each other. They became best of friends at ounce. Whenever Harry seems to be out of control near Scabbers, Sarah quickly gets Harry or Ron far from each other until Harry calms down. Hermione and Ron seem oblivious about this though and with that Harry and Sarah were relieved. Harry had to make sure Hedwig was nowhere near Scabbers now and Ron seemed thankful to Harry for that but on the other hand Hermione still keeps Crookshanks near her so Ron had to make Scabbers sleep in a cage. Sarah and Ginny also got along well. Harry on the other hand was always red with Ginny near but is also always happy to be near her.

Hedwig and Crookshanks always want to be near Harry and Sarah. This made Sarah think why. She decided to go to the library when she got back at Hogwarts. She needs some answers in these questions in her mind. She also can't help to feel really attached to the animals her friends take care of. And also she seemed to be attached to Harry too. And this made it more complicated.

When it was time to go back to Hogwarts, Mr. Weasley warned Harry to stay away from Sirius Black and Harry decided to lie about not to go looking for Sirius for he knew the truth. He told Sarah this and she said he did the right thing. They had to plan all this well and good.

At the train, they found a compartment with Professor Lupin, he was sleeping.

"That's Professor Lupin, our new defense against the dark arts teacher. He's the best person for the job but let's say he has health problems. But you'll have fun in his class. I sure hell did."

They sat down; Sarah beside Lupin and then Harry and on the other side was Ron then Hermione.

"Is he asleep?" Harry asked.

"Yeah. He'll wake later and maybe we can talk to him. I have questions too. And he can help us, Harry." Sarah said.

"What are you two talking about?" Hermione asked.

"I told you I can't tell it this time but you'll know some day."Harry said.

When the lady who sells candy came, Sarah and Harry bought all of them candies. Though Harry insisted on paying it, Sarah said she wants to pay it. In the end they paid half of it each. Sarah bought chocolates for later. She knows the Dementors are coming so she needs to be prepared. And she was fighting with herself if she will use the Potronus. But then again she haven't practice it, she decided not to do it and let Lupin handle them.

Just then Draco came with Crabe and Goyle. But before Draco can say a word Sarah said "Hi. What can we do for you?" she asked in a sweet tone that made her friends stare at her.

"I-ah-I wanted to talk to Potter." Draco blushed.

"Oh." Sarah's face fell down "Well you can talk to him now."

"No. I mean, I'll talk to him later on. May I ask who are you?" Draco asked coolly which made the others look at them both questionably.

"I'm Sarah Alistair. How about you?" she said in an innocent voice.

"Draco Malfoy. Hey wanna come with me in my compartment?"

"Sorry Draco, but I have to do something here. I'm with Professor Lupin here and I need to stay with him." She said in an apologetic tone.

"Oh. Then I'll be off. See you later Sarah." Draco winked and left with his dumbfounded friends.

"YOU LIKE DRACO?!" her friends asked in a worried and surprised tone.

"Hell no! I just thought we could use some spy if we need it. Don't worry about it. I will not, I repeat, I will not date him. I'll just do things like that in front of him when we need it. And I promise you we will in the future."

"How do you know?" Hermione asked.

"Let's say I have my sources. And no, I can't predict the future. Yet." She smiled.

They then chatted and ate the candies. And then, the train slowed down.

"What's going on?" Ron asked.

"We can't be there yet." Hermione said.

Then Ron looked through the window. "Something's moving out there."

Harry looked out the compartment and the train came to an abrupt stop which caused Harry to fall back down in his seat and Ron to let go of the glass.

Everything felt cold. The glass and water froze. Then the door opened. A dementor came in and Lupin woke up. He stood and pointed his wand at the dementor. "Black isn't here. Go."

It continued to go in and sucked some of Harry and Sarah's happiness and Lupin did a Patronus.

Before passing out, Sarah heard what Harry heard; Lily screaming.

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"Harry. Sarah. Wake up." Hermione and Ron's voice filled the two teenager's heads. They both stirred and sat up.

"What happened?" Harry asked.

"You passed out after the dementor came in. Both of you." Lupin said. "Here, eat this chocolate. You'll feel better."

"Thanks Professor." Sarah thanked him. She ate the chocolate immediately and warmness filled her.

"Now, I have to talk with the driver. Excuse me." He stood up and opened the door. "Eat. You'll feel better. I didn't poison it." he then left and closed the door.

Harry took a bite and felt what Sarah felt. "Didn't you two pass out too?" he asked Ron and Hermione.

"No. But we felt cold. Empty. Like we will never be happy again." Ron said with fear in his voice.

"They won't pass out because they have many happy memory and feelings in them. Unlike you Harry, who grew up without a real parent. And also like me, who grew up with no true friend and who is an outcast at home and at school." Sarah explained "Dementors suck out the happiness in you. They're here to go looking for Sirius and to guard Hogwarts. They're the guards at Azkaban."

"Oh. But did you hear a woman screaming?" Harry asked.

"There was no scream Harry." Hermione said.

"I heard it too. I know who it was. It was your mother. I'm just confused why I heard her too when I-" she then saw an image. It was Lily holding Harry saying "No not Harry! Not Her! Take me!" then Voldemort burst open the door. He laughed and Lily begged. Then there was a flash of green light.

"Sarah? Sarah?!" she heard Harry call her.

"Harry… you have a scar right? The one Voldemort gave you?"

"Yeah. Why?"

"It's shaped like a lightning, right?"

"Yeah. Why are you asking this things Sarah?"

"Because I heard your mother. I saw you and her. And I also have the very same scar, on top of my Heart." She pulled down her collar enough to see the top of her heart. And there, as she said, was a lightning scar exactly like Harry's.

"How…?" Harry seemed surprised. Even Hermione and Ron.

"I have a theory but I can't prove it. We have to do a test and a research. Maybe Sirius can help us. Even Lupin. But I can't seem to know how. How and why? And if it's true… How should we react… not only that Hedwig and Scabbers and Crookshanks…" That's when it hit her. "First thing tomorrow we are going to go to the library. I won't eat if I have to. I have to find the answers. And no I won't tell you what these theories are. I just need your help in the research. You in?"

"Anything to answer my questions. I'm in." Harry said determined.

"I know the whole library. I'll help." Hermione said.

"Fine. I'll help too." Ron said.

At Hogwarts, they went to their house tables and ate. While eating slowly, Sarah was thinking. "When does the library open?" she asked Hermione.

"5:30 am." She answered.

"We'll start searching then. What we need can't be in the restricted area. Hermione, search for the history of Hogwarts, all the students before and even the teachers. It should be in Harry's parent's time here. Ron you look for a potion for a D.N.A. Test. Write all of the ones you can find. Harry search about the history of the time of Voldemort. Start from when he was still Tom Marvolo Riddle. I'll look for a spell how to reveal a true form. If my theory is correct, then we will need it."

"Why do you need the old students for?" Hermione asked.

"To look for my parents. If they are who I think they are then it means I have a twin. And if not, I have to find some other way to help Harry's Godfather."

"And the potion for a D.N.A. Test?" Ron asked.

"To have a proof that he really is my twin."

"And history of Voldemort?" Harry asked.

"To kill him once and for all. There's got to be a clue on how he killed your parents."

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Next day at 5:25 am they met at the Gryffindor common room. They went to the library with Harry's Invisibility cloak. How they fitted was a mystery. They were allowed to do a research because of Hermione, who was a regular customer of the library, and Sarah, who became a customer too over the summer.

They went to their sections and read.

"I found the yearbook of the time Harry's parents were here." Hermione said after an hour of searching.

"I found the best D.N.A test potion we could do!" Ron said cheerfully.

"And I found Voldemort's history book." Harry said.

"Great. I found the spell I need. Now let me see the year book." They all sat down a table. Sarah opened the year book and saw Lily's picture.

"Is it just me or do you look like her?" Ron asked.

She then flipped on the page of James' picture.

"And do you have his eyes?" Hermione said.

"Oh no. Ron the Test." Sarah said.

"Here" He gave her the book opened to the page needed.

"Great. But we have to test this first. We could get all the things needed from Hagrid and Snape. Harry, Voldemort's history?"

He gave her the book. She read the last part where he was defeated by Harry. It says that the only things found was Harry under a pink towel with Sarah stitched at the corner of it.

"We have to do that test quickly. Ron, borrow the book you found and I'll borrow mine. Put back the others. We have to do this fast." They all did just that. She has to do all of it now!'

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