Summary: A pack comes to Beacon Hills...well, if you could call three people a pack. The McCall pack was the only werewolf pack in Beacon Hills until the Hales came...what happens when Scott takes an interest in Derek's only beta? What happens when Derek takes an interest in Scott's emissary? How much trouble can happen in one story? Oh, you have no idea.

A/N: As this is an AU, certain personalities and stories might be different. Example: Lydia's personality is more like season one Lydia rather than season three.

Packs:

Hale: Derek Hale (alpha), Isaac Lahey, Peter Hale

McCall: Scott McCall (alpha), Ethan, Aiden, Kira Yukimura (kitsune), Danny Mahealani (kitsune), Stiles Stilinski (emissary), Lydia Martin (banshee), Jackson Whittemore, Erica Reyes, Vernon Boyd.

Pairings: Scott McCall/Isaac Lahey, Derek Hale/Stiles Stilinski, Danny Mahealani/Ethan, Peter Hale/Chris Argent, Lydia Martin/Jackson Whittemore, Erica Reyes/Boyd, Kira Yukimura/Aiden, (past) Lydia Martin/Aiden.

Why Are You My Clarity?
Chapter One: Back to Beacon Hills

"What the hell is that?" Ethan demanded, stopping instantly and causing his brother to run into him.

"What the- wait," Aiden sniffed the air, looking confused, "More wolves?"

"None of the ones we know," Ethan confirmed, looking alarmed, "Let's get back to the house...I'll call Stiles, you round everyone up. Scott will be pissed if we lose someone," he said before running off, laughing quietly when he heard his brother's loud howl.

The McCall pack was a large one. There was strength in numbers. The pack started off when an unknown person changed Scott. The person had never been found and Scott was left an omega with his best friend, Stiles. They slowly leaned more and more about werewolves with the help of their local veterinarian (who turned out to be more than that).

Soon after that, another pack came into town when they were in the woods one day. Kali had been taking the lead that day and Ethan and Aiden were following. Kali said she heard something and they saw Scott and Stiles. She had tried to lunge at Stiles and Scott had acted on instincts and slashed her throat. Ethan and Aiden knew Deucalion, their alpha, would be pissed. Scott was so messed up that they hesitantly helped him and he agreed to protect them from Deucalion, gaining his first pack members and becoming an alpha after killing one.

"What the hell?" Erica demanded, running over with Boyd, "What do you want, Aiden? We were having fun."

Erica Reyes came to the pack next. Scott had met her at school and she had a seizure in class and was completely humiliated. Scott and Stiles felt horrible for her everyday. The twins had started school a week before that and were now betas after giving their alpha power to Scott. They explained to Scott about gaining pack members. Scott had snuck into the hospital that day and asked Erica if she wanted the bite. She accepted on the condition that he also changed her best friend, Boyd, who she later started dating after the change.

"We caught a scent up that way," Aiden explained, "We're calling everyone back to the house because we have no idea who it is."

"Do you think it's Deucalion?" Boyd asked.

"I just said we don't know!" Aiden snapped, his eyes turning blue.

Erica growled at him, her eyes flashing yellow.

"You idiots are such children sometimes," a voice growled from behind them.

They all whipped around and saw Jackson.

Aiden hated Jackson with a passion. Jackson had practically blackmailed Scott into giving him the bite and threatened to tell the entire school about werewolves, claiming they would believe him. Before Aiden and Ethan could convince him not to, Scott gave Jackson the bite. Jackson decided to go rogue for a while and go to another country.

Aiden met Lydia, Jackson's ex-girlfriend, at school a little bit before he had left the country. Lydia was already heartbroken over Jackson dumping her and Aiden started to develop a crush on her. They dated for a while and eventually found out that Lydia was a banshee.

Then Jackson came back and she dumped him without a second thought. Leaving him the heartbroken one.

"Let's get back to the house before Scott gets pissed, stop fighting over petty shit," Jackson snorted, starting to walk.

Aiden growled, his claws coming out and Erica grabbed his arm quickly.

"Bad idea," Erica said, "Maybe some other day."

Aiden stared at her for a second before growling and walking back to the house.

After they graduated high school, Scott decided to move out of his mom's house...mostly because the sheriff ended up moving in. Stiles and Scott went on and on for weeks about they were actually going to be brothers now that their parents were engaged.

The pack had all chipped in and bought a large house in the woods. They had almost the entire forest to run in when they bought the property aside from the part that the Hales owned. No one knew whatever happened to the ones who lived through the fire. Scott had made the pack help him put up a fence at the very end of their property that they owned a while after they bought it.

"Just because we're wolves doesn't mean we don't have to follow the law," Scott was telling them, "And since so many people died there, we need to honor their memory and not disturb their land."

"Are you done being Dr. Phil now?" Jackson had groaned.

Everyone had their own rooms but half the time they ended up in each other's or just sprawled out in the living room. This was what a pack was like. Aiden and Ethan's pack before Deucalion were all abusive towards them and Deucalion's pack was just about power. Packs were meant to be close, close like a family.

"Really?" Aiden asked as he walked in the living room and saw his brother and his boyfriend, Ethan, making out already, "You can't be away from each other for twenty minutes while we go for a run?"

"No," Danny smirked, kissing him again.

Danny was a kitsune, just like his cousin, Kira. Scott had known Danny all his life and had never suspected a thing until he looked at Danny with his wolf vision one day. Before Scott could say anything, Danny explained kitsunes to him. Scott introduced Danny to the rest of the pack and Danny started sitting with them at lunch.

And that's where Ethan met Danny and it was nuts from there. Ethan sniffed Danny and Danny glared at him and went back to eating. Ethan bluntly told him that he smelled different and Danny just continued to glare at him to the point that Scott bumped him to get him to stop. They talked to Deaton about the whole "smelling" incident and apparently that's how werewolves identified their mates...also apparently Danny's family really didn't trust werewolves and that was why Danny was so disturbed...and the fact that someone sniffed him. Danny and Ethan slowly grew closer, especially after Danny moved out of his home.

Danny dormed for a week at the college before Ethan convinced him to move in with them and his cousin Kira quickly followed. Adding the next two members to their pack.

Stiles learned he was what was called an emissary. Basically he was the alpha's advisor and could only be in one pack. He said he was Scott's because they were brothers. Stiles called himself the pack mom. Aiden just figured they'd always been best friends, why separate them because one got changed into a werewolf?

"Whoa, whoa," Stiles walked in after racing over in his jeep with Scott, "What the hell? Horny teenagers," he said, pulling Ethan and Danny apart.

"I'm almost twenty," Danny commented.

"So what's going on?" Scott asked, "We were visiting our parents."

"We caught a scent," Aiden said, "We didn't recognize it...and we've met a lot of wolves, Scott."

"So there's someone on our territory?" Jackson demanded.

Ethan nodded, "And it's a werewolf."

"So what do we do?" Kira asked.

Everyone looked at Scott.

"Looks like we're doing a stake out," Scott said, "They walked through their once, they'll walk through again if they plan on staying."

"Awesome, I want to dress in all black," Ethan said bluntly.

Everyone looked at him.

"It's stealthy," Ethan said.

"I like blue," Danny said simply.

"We're not wearing matching clothes," Stiles interrupted the impending couples dispute.

"We'll meet up where the twins found the scent at dusk...get ready for a long night," Scott warned them.

"Okay," Scott said when he finally caught onto the scent, "We need places to hide. Stiles, no trees," he told him simply.

"Hey-"

"You'll fall out and we really don't need that," Scott added, "Um...Aiden, you're with Danny because I know you won't make out with each other."

"Rude," Aiden growled.

"But I know you'll protect each other because you both want to make Ethan happy, so go find somewhere to hide," Scott said simply, "Kira, you're with Ethan. Lydia, you're with Jackson, you work best together."

"Bullshit," Aiden added.

"Go find somewhere to hide," Scott repeated to the beta, "Boyd, you're with me. Erica, you're with Stiles."

"Let's go trap a trespasser," Stiles said.

"Why are you so enthusiastic about this?" Scott sighed, "Okay, just spread out. By the time the wolf catches the scent we'll catch him."

"Three. In. The. Morning," Aiden was growling from his spot behind some large boulders with Danny.

"They'll be here eventually," Ethan said from his place in a tree nearby with Kira. He knew they could all hear each other.

"We all caught the scent," Scott said from his place behind some fallen trees with Boyd.

"Or they're just crazy," Jackson snorted.

Aiden growled at him, knowing the other beta would here.

"Stop," Scott growled in an alpha-like voice that silenced them all, "I hear something."

Isaac Lahey was walking through the woods, a bag in his hands. He knew the way back to the Hale house like the back of his hand and they needed some groceries if they were going to stay there. He had volunteered to go to the store while Derek and Peter unpacked. Derek reluctantly agreed to let the beta out of his sight.

He was the last one left. The Hale house fire had destroyed them all. Ever since then, since Isaac was twelve, Derek and Peter wouldn't let him out of their sight. The left and went to another country for a while until they decided to come back. They had someone fix the house before they came back, it looks almost like it did before the fire. Almost.

Isaac was adopted into the Hale family early in his life. A group of hunters in the area found him covered in blood and bitten by a werewolf at an early age, when he was almost four. They agreed to bring him to the Hales and Talia took him in. His father was caught by the police because Isaac pointed out that it was him to hurt him.

The hunters were there because a werewolf had been going around the area, changing people at random. When they found Isaac, they explained that if the wolf hadn't changed him, he would have died because his head wound was so bad. They were all shocked that someone so small could survive the bite. Talia used to call him her little miracle.

Isaac froze when he heard movement and voices, his eyes flashing yellow as he scanned the woods and started to get his phone from his pocket. He let out a yelp when a large force slammed into him.

"DEREK!" he started screaming instantly, "DEREK! HELP-" he was cut off when the person put his hand over his mouth.

"Who are you?" the blue eyed beta demanded, "I'm going to take my hand from your mouth and if you scream, I'll rip your throat out. Understood?"

He was like an alpha but was still a beta. He probably lost his status somehow, Isaac figured. He nodded, shaking slightly.

The beta slowly pulled his hand away.

"I-I'm Isaac Lahey," he whispered, his voice shaking.

"Aiden, let him stand," Scott said.

"But-"

"Aiden!" Scott growled.

Aiden growled but pulled him up, keeping a good grip on his arm and Ethan grabbed his other arm so he wouldn't run.

"Uh...Scott?" Stiles asked when he saw his best friend in a daze, "Scott, focus."

"Y-You..." Scott said, staring at Isaac. Isaac's scent was off...he smelled like a wolf but different.

Oh no, he thought, thinking back to the incident when Ethan met Danny.

Isaac was looking at Scott with the same confused expression.

Scott cleared his throat, shaking his head, "Why were you on our land? We've been here a while, I know our scents are all over the place."

"I-It was a shortcut so I could get home," Isaac swallowed, "I-"

There was a loud growling noise suddenly and Isaac actually looked relieved.

A large black wolf with red eyes walked out of the forest, growling and baring it's teeth.

"Scott," Danny said nervously, "That's a wolf."

"Let him go," Scott ordered the twins quickly.

The twins let him go and the wolf transformed before their eyes to a man whose eyes were still red.

"Isaac, behind me, now," the man growled.

Isaac quickly got behind him.

"Who the hell are you and why were you touching him?" Derek said, still growling.

"He was trespassing on our land!" Jackson started.

"He was walking," Derek said, "He posed no threat, so you decided you would tackle him."

"Look, we didn't want any trouble, I was just protecting my pack," Scott crossed his arms, "Who are you?"

"I'm Derek Hale," he growled.

"You mean like..." Scott trailed off, "Your family was burned alive in that house!"

"Except four of us," Derek said, "Now I suggest you get out of our forest because we're back."

"What? No," Scott said, "We have a house out here, we live here! We legally own the land here, man."

Derek narrowed his eyes and they flashed red again and Scott reacted instantly, his eyes turning red and growling.

"Derek," Isaac said quietly, "Let's just go...I want to go home, Derek."

"Yeah, back off, man," Stiles stepped up beside Scott.

Derek stared at him with red eyes.

"Uh...Scott...I think he's going to attack me," Stiles said.

Isaac glanced back and forth between Derek and Stiles, "Derek, I want to go home," he repeated, pulling on his arm.

"Stay off of my land," Derek snapped at them all before grabbing Isaac's arm and pulling him away.

Isaac looked back at Scott with a slight smile on his face before letting Derek pull him away.

"Dude, what the hell was that?" Aiden demanded as they walked into the house, "We should have just killed them! They practically threatened us! Another alpha, Scott, another alpha!"

"It's four in the morning and if you don't shut up, I'll be the one killing you," Danny muttered.

Aiden growled at him and Ethan growled at him louder, pulling Danny to his side.

"Enough," Scott said, rubbing his eyes, "Look, let's just all go get some rest and we'll have a pack meeting in the morning, er...later today."

"Good plan," Lydia yawned, "I hate every single one of you," she said before going upstairs with Jackson.

Aiden watched as practically everyone went off with their significant others (aside from Stiles, Scott, and Kira) and growled under his breath before going upstairs and slamming the door.

"So what are we going to do about this?" Stiles asked.

"I don't know," Scott sighed, "I mean...it's not like we're trying to kill each other."

"He looked like he wanted to," Kira supplied.

Scott shook his head, "Tomorrow we'll meet with the Argents after school and warn them not to hunt them, they're not here to kill."

"Right," Stiles snorted, "I'm going to bed," he said and walked away.

"Scott?" Kira asked.

"Yeah?" he stopped.

"I saw how you looked at Isaac...it's the same look that Ethan gives my cousin," she said, "It's happening, isn't it?"

Scott swallowed, "Yeah, it has," he said simply before going upstairs.

End of Chapter