A/N: This is the final chapter. I hope you enjoyed the story.
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THREE WEEKS LATER
Stiles walked out of history. He had been doing well in his classes since the whole deal with barring the Alphas from the city for a little while. It gave him time to do both his studies and figure out what was going on with the murders. Another one had happened a day or so after Thierry and her family left.
Every night they heard the howls of the Alpha Pack. They weren't able to come back into the city with the stakes planted equidistance apart. Chris and the rest of the hunters would go out and check on them. They were holding up so far so good, but there was only a week or so left of battery life.
Cora and Boyd had been able to come out of their moon rage. Derek had explained everything to them what had happened to them. They had seemed apologetic but they weren't certain. Boyd had been with them for four months and he didn't even know that Erica was dead. But they couldn't be sure he was the same guy they had known.
Cora and Derek had started to reforge the bond that had been there when they were kids. It was hard because Cora had been gone for years. She didn't trust anyone but neither did Derek so it made it a little bit easier. Scott and Allison were forming a friendship with the girl. She was with them at the lair most of the time so she was becoming friends with everyone, even Isaac who had a small crush on her.
Even though he was becoming a brother to his sister once again, Derek was having a hard time. He had found out Thierry was his mate. He had known it when he had seen her but actually having it told to him had made it even more real. Then she had walked away from what could have been without an explanation. Stiles and Lydia could understand the pain he was going through. It felt like they had lost some part of them, some part that would never be whole until the person came back.
Pack meetings were interesting. They always talked about the stakes and how made the Alpha Pack would be when they were able to come back into the city. They also talked about how Derek and Isaac had helped Thierry get them out there. The story was never old and it was the only thing they could say that wouldn't upset Derek too much. It upset Stiles because he had been the one left in the car while the fight had gone on, but it was a good story to listen to when he was having a bad day.
He and Lydia spent more time together since the whole ordeal. She hadn't found anymore dead bodies, but it didn't stop them from talking about the people they missed the most. Stiles still had a huge crush on the girl but they had to think of the werewolves they were born to help. They talked about what they could have done to help their friends.
As he walked to his next class, Scott caught up to him. He smiled at him but he didn't feel very happy. The whole murder case was bothering him to no end. Heather had been a victim and he could be one as well. They were all virgins and so was he.
They were getting ready to start his free period when Allison ran up to them. She was out of breath, which meant she had been searching for them.
"What's wrong?" Scott asked.
"My dad just sent out a mass text to the group of hunters. The batteries on the stakes have gone out. The border is now open. They're heading out to the woods now to see if they could top them," she said.
Scott turned to him. "We have to call Derek and get out there. Find Isaac and meet me out in the parking lot."
Stiles didn't argue as he ran to the library. That's where Isaac always went to the library during his free time. His dad had always wanted him to have good grades and even after his death, he still kept his grades up.
He slid past the door and almost fell on his face. In the last few days, Lydia had started hanging out with Isaac. They didn't talk much about anything but school. It was the way they did things and no one said a thing.
"Hey!" he said as he stopped by the table. "Argent just sent a mass text to his hunters. The stakes have failed."
Isaac looked at Lydia. "We have to go."
She agreed and they skipped school. Stiles' car was full as they were barreling down the street way over the speed limit. Scott gripped the door handle and tried his hardest not to break it. This was not what they wanted. They had waited and waited for the twins to return before they had to face the Alpha Pack again. But their luck had run out and now they had to deal with the issue again.
They caught up to Derek who was only five minutes ahead of them. When they went off road, Derek led the way the exit point. The Argents car was already there and they turned to look at them as stopped. Allison jumped out of the back and looked at her dad. He looked at his phone.
"Damn. I sent you the text," he muttered. She nodded at him. "You're here. You might as well help."
They all stood in a line and waited. Derek, Scott, Isaac, and Peter put their noses to the wind. It was blowing their direction so it would be easier to scent them when they were at least ten miles away. Unfortunately, they were close. The scent was too strong for them to be far away.
There was crunching and they turned as one. The twins, the woman and the other one who had helped them emerged. They were growling and snarling. About the time they got ready to attack, another car pulled up behind the group. It was a sleek Jeep Wrangler. The engine revved three times as if it made to run the werewolves over.
The doors popped open and two very familiar faces stepped out. Everyone gasps as one and looks at each other. Terrence and Thierry have the same look on their faces as they stare down the Alphas. Finally Thierry cracks a smile.
"Yeah, you boys remember me," she said. "I'm the one that smashed your faces together. Come at me and I'll do it again." The woman snarled. "I can take you too. Come at me."
Terrence placed his hand on his sister's shoulder. "Don't tempt them. I don't fancy a killing today." He looked back at the others. "Now leave."
Then a growling match started. The twins on the Alpha side stepped into the other twins' personal space. Thierry and Terrence didn't waste any time. Their faces changed. Their noses were elongated, their were sharpened, and their eyes were blue. They growled at them so loud and so hard that the others had to turn their heads away in fear. Dominance was still on their side.
When the Alphas ran past them, their faces changed back. They looked at each other and shrugged. Terrence ruffled his sister's hair then took a step forward. When she lifted her head, her hair was blond and blue. They walked right up to everyone without a word.
Then Stiles launched himself at Thierry. She caught him and shook her head at him. He stepped back with the biggest smile on his face. She laughed at him then patted his chest. She looked over at Terrence. He was holding Lydia as she tried not to cry.
"Hey," Derek said as he pulled himself from the group.
She turned to him. "Hey."
"You would show up just as soon as the stakes failed."
"It was a fluke actually. We were coming back when we smelled them."
They stared at each other for a long time it seemed like. Derek reached up and framed her face with his big hands. She smiled at him but pulled away. He grabbed her hand, which she allowed.
"So?" Stiles asked. She tilted her head at him. "Are you back for good?"
"Define for good?" Terrence asked. He shot a glance at his sister. She answered his glance with another glance of her own. It also entailed a small smile.
Stiles looked between the two. "What?" Thierry dropped Derek's hand and began to strip. "Here we go. Derek, you might as well do it too. It's one thing to have one wolf run. To have a second wolf is interesting."
Thierry stopped halfway through toeing off her shoes. This time it was Derek who started stripping. She watched him with interest as everything came off. She wasn't interested in nudity. She saw enough of that when the wolves changed.
"Show off," she muttered when a brown wolf was all that remained of the man that had been standing in front of her.
"Show him up," Terrence said.
She understood his meaning. Stripping the rest of her clothes off, she tossed them to her brother then started to run. She jumped over a log. In midair her body shifted. When she landed, she was on all fours and donning silver fur. Derek growled at her but she took off. He followed.
"How long has he been able to do that?" Terrence asked.
"Not very long. A couple of weeks maybe. He's been running every night since he figured out he could do it," Peter said. "It comes with being an Alpha."
Terrence smiled and looked in the direction the two wolves had run off. Lydia jerked on his shirt. He looked down at her.
"You never answered the question," she said. "Are you here for good?"
He made a face but didn't answer right away. When her face fell, he smiled. She smacked him in the chest.
"Yeah, we're here to stay."