AN: Well, this is my first Teen Wolf fanfic. I've decided to make this story a Peter/OC, because there are not enough in my opinion. Please, leave a review! I absolutely love getting reviews, they make my day! I only own Ava, and any other character that you don't recognize.

Chapter One: In the Dark of the Night

I slowly eased my cherry red Ford Escape into the parking spot. It was late at night with a slight chill in the air. So, I zipped up my black leather jacket to try protecting myself from the cold. There were two other cars in the parking lot, which is more than what I was expecting during this time of night. My mother, Olivia Delaney was in Greece now, working. She was an archeologist, so she was always away. I've never met my father, Mom refuses to talk about him. I only know that they were high school sweethearts that spilt shortly after I was born.

Anyway… that's why I'm here. I need something to do while I'm home alone, and I can think of nothing better than to get a movie to watch.

I sauntered into the video store, and I immediately felt the sensation that there was something predatory nearby watching me. My heart began to pound furiously in my chest, it was too quiet. Something was very wrong, here. "Hello?" I called out. "Is anyone here? I'm looking for The Mummy."

I passed through the aisles of videos, finding nothing until I spotted a ladder. I turned around the corner, and I saw the most gruesome sight. Lying on his back was the video store clerk, his throat was torn open, his blue work shirt was stained with blood, and his eyes were still wide open, glazed over from death. I did what any normal girl would do: I screamed. In true horror movie fashion, the lights went out. I heard something growl. Oh, my God! The mountain lion that killed the bus driver, it was here in the store. I'm so going to die. I whimpered.

"Your fear smells so exquisite, little one," crooned a voice from behind me. I gasped. Whatever killed the video store clerk wasn't a mountain lion, and it was inside with me. My breathing became uneven and ragged. "What are you?" I asked, my words barely coming out as a whisper. The owner of the voice chuckled darkly. "Why don't you turn around and look."

I swallowed nervously. "No." My voice sounded braver than I felt. The man… creature thing, I guess, roared. "Listen to your alpha! Turn around!"

Alpha?! What the hell?! I can't believe I'm going to get killed by some psycho who calls himself Alpha.

I slowly spun around, and when I did I saw not a man, but a giant wolf-beast thing with red glowing eyes. And the most shocking thing about this creature was that it was standing on two legs. My jaw dropped in horror as I gaped at the beast. The alpha chuckled again, he was obviously pleased by my reaction. "Oh, what beautiful eyes you have, my dear."

I wanted to say something witty in response, but all I could do was stare. The creature inhaled deeply. "You smell delicious. Let's see if you taste as good as you smell." He purred.

Faster than I could blink the alpha was right on top of me. His massive hulking form pressed me into the ground. There was no space in between him and me. I could feel his long-clawed fingers caressing me in places where he shouldn't be touching. When he was done with groping me, his clawed hand found itself in my light brown curls. The alpha yanked my head roughly to the side, baring my throat to him. He swiped his tongue along the entire length of my neck. I whimpered, feeling out of sorts. The creature placed a single clawed finger on my lips. "Shh," he hushed me mockingly. Tears were streaming down my face, the alpha simply licked them off my face. His eyes closed in pleasure as he did so. A surge of anger and defiance pulsed through me. I formed my hand into a fist, and then I slammed it into his nose. The alpha snarled at me. "You shouldn't have done that, little one. Now, stay still!" He brought his head down and bit into my neck.

I screamed in agony and started to struggle against him. This caused the beast to clamp down harder, refusing to budge. I ceased my struggling and moaned. As soon as I did this, the creature released me. "Now, that wasn't so bad, wasn't it, my dear," he hummed as he licked my wound clean.

"Why… did you do that?" I asked, weakly. It was starting to become difficult to stay awake. I could feel the exhaustion, settling in. The beast nuzzled my throat. "Because I needed to make you mine." He cooed. "It's okay for you to fall asleep. You'll be seeing me again soon, sweetheart."

I tried to fight it, but I closed my eyes and drifted off.

-0-

On the roof of the of the video store, Derek and Scott watched Ava Delaney being carried out on a stretcher. The two werewolves could see that Ava's neck stained with blood. Scott's eyes widened in horror. "Holy crap! That's Ava!"

"You know her?" asked Derek.

Scott stared down at the scene that was unfolding below. Ava was being loaded into the ambulance. Sheriff Stilinski had also arrived, and he was talking to Jackson with Lydia standing next to him about the murder that just happened. "Yeah, she goes to my school. She's a senior."

Derek turned to Scott. "Well, I can smell the alpha all over her."

Scott gaped at the older werewolf. "Are you serious?! Did he bite her? Is she going to be like us?"

Derek sighed. "I don't know, not everyone lives. But there's… there's something strange with her scent."

The teenager continued to gawk at him, speechless. "Are you starting to get it?" questioned Derek.

"Uh, I get that he's killing people, but I don't get why. I mean, this isn't standard practice, right? We don't go out in the middle of the night murdering everyone, do we?" inquired Scott.

Derek shook his head. "No. We're predators. We don't have to be killers."

"Then why is he a killer? And what does he want with Ava?"

Derek backed away from the edge and started to stride across the rooftop. "That's what we're going to find out."

-0-

When I opened my eyes, the first thing I noticed was that everything was just white. I groaned. Ugh! Am I dead? I blinked, letting my eyes adjust to the brightness. After a few minutes, I could tell that I was lying on a hospital bed. What the hell happened to me? Oh, yeah. I got attacked by the mountain lion, the same one that's been killing people. No, wait, that's not it! There was one word that was seared into my brain. One word that I was too terrified to say out loud and that word was: werewolf. I was attacked by a werewolf! Shit. I'm in trouble. I cautiously touched the side of my neck where the alpha had bitten me. Will this bite turn me into a werewolf? I hope not. Because back in my pre-teen days I was way more into vampires. My twelve year old self would be crushed if I got turned into a werewolf. Instead of meeting skin, my fingers touched a thick bandage. Grimacing, I swung my legs over the right side of the hospital bed; I tried to stand up, but I immediately felt woozy so I plopped myself back down on the bed, my legs dangling over the edge. At that moment the door to my hospital room swung open to reveal a nurse with long red hair tied back into a ponytail.

She flashed me a friendly smile. "What are you doing up?" The nurse's smile did little to soothe me, in fact, it did the exact opposite. There was just something about her that seemed unsettling. The nurse proceeded to help get me back underneath the covers of the hospital bed.

"He would kill me if I allowed you to leave, right now," she said, still smiling.

I stared at her, confused. "Who are you talking about?"

The nurse smirked down at me. "Oh, you know who I'm talking about," she drawled before turning to leave the room. Huh? I thought nurses were supposed to be nice, and not creepy.

-0-

I must have dozed off because the next time I opened my eyes there was someone new in the room. There was a guy in the corner of the room, sitting in a chair. He had short black hair with light green eyes. The man shot me a dangerous grin, that seemed to go well with his black leather jacket. "Well, look who decided to wake up."

"Who the hell are you?" I snapped back.

"I'm Derek, but I'm not here to talk about myself," He stood up. "No, I'm here to talk about what attacked you last night in the video store."

I gulped nervously; I could practically hear my pulse sky-rocketing to a dangerous level. "It was a mountain lion."

Derek chuckled darkly. "I can hear your heartbeat, Ava. I know you're lying to me."

My eyes widened at the fact that he knew my name, and did he just say that he could hear my heart beating. Is he a werewolf, too? "What do you want with me?" I inquired. My voice coming out as a whisper, to my chagrin.

Derek's expression softened. "I just want to know what you really saw, Ava."

I felt conflicted. I wanted to tell him all about the alpha, but I could feel some sort connection forming within me. I just couldn't handle the idea of any harm coming to the alpha. How sick and messed up is that? But at the same, I had to give Derek something at very least.

"I… walked into the store, and I found the body of the video store clerk…" I began before trailing off; my hands started to shake uncontrollably.

Derek took hold of my shaking hands and cradled them in his own much larger hands. "What happened next?" He pressed softly.

The softness of his tone surprised me; Derek's behavior changed so abruptly that I wasn't sure what to make of him anymore. My hazel eyes started to tear up. "It was so fast…"

Suddenly, Nurse Creepy busted through the door. "What are you doing here? Visiting hours are over," she declared while glaring at Derek.

Derek scowled at the interruption, his eyes filled with frustration. He dropped my hands. "I was leaving anyway." He said as he stormed out of the room without a backward glance at me.

-0-

That night the alpha crept into Ava's room. Beams of moonlight streamed through the window of the hospital room. It bathed the pretty little thing that he encountered in the video store in a soft white light. He knew as soon as he scented her that she was his. The alpha gently tilted Ava's head to the side to expose the bandage that was covering his mark. He ripped the bandage from her neck; he bent down and nuzzled Ava's throat. The alpha's endgame was already planned out, and when it's done there will be no one to stop him from claiming his prize, his mate.