"So," Greg said as he came up beside Calleigh in the hall. "You're the Gun Girl."

She couldn't help but laugh.

"The Gun Girl?"

Greg shrugged. "That's what Ryan said. A nickname from Miami?"

"Yep. It's how I ended up on Horatio's team, actually."

"Cool. It'll be nice to have a weapons expert on hand." He looked at her out of the corner of his eye. "I'm glad you guys are here."

Calleigh smiled. "Thanks, Greg. You know, I think this might just work out. Our teams merging, I mean."

"You had doubts?"

"Didn't you?"

"Yes. But I'm curious about what yours were."

"Well, we have some alpha personalities on our team – mainly Eric and I. Those don't always mesh well when you're joining another group. And I was afraid that you guys might resent us since your boss is leaving and ours is taking over."

"Nah. We know that Grissom is leaving for personal reasons. We don't blame you guys for that."

"So what were your doubts?"

Greg shrugged. "Favoritism. Horatio's been with you guys for a long time. I think we were all a little worried we'd be treated like the unwanted children."

"Horatio isn't like that."

"So I'm starting to see."

Calleigh stopped suddenly and frowned. Greg stopped as well, looking at her closely.

"Is everything alright?"

"Where are you going?" Calleigh asked.

"I don't know. I was following you."

"I think I was following you. We just did a circle around the lab."

"You know," Greg replied, "that might make us look foolish if anyone finds out."

"I think we should make sure no one does then."

"Agreed. I'm going to go...back to where I came from."

"And I'll head back to the DNA lab. I think that's where I was headed originally."

"Sounds good. See ya later, Calleigh."

"See ya, Greg."

The blonde shook her head and smiled as he walked off in the opposite direction. So far, the move to Vegas had proved to be a good one.

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"Hey there."

Warrick and Catherine both looked up to see Ryan walking into the lab, a large evidence bag in his hand.

"Hey, Wolfe," Warrick greeted. "What's up?"

"I bring you guys evidence with unknown trace on it."

"Our favorite thing," Catherine quipped. "What is it?"

"A shirt we got off a suspect. He says it's grease from working on his car. I highly doubt that."

"Aw, you don't trust him?"

"Only as far as I could throw him."

Warrick reached out and took the bag from Ryan. "Well, we'll get right on this then."

"Alright, thanks."

He turned to walk out, but Catherine's voice stopped him.

"Hey Ryan?"

He turned back. "Yeah?"

"Can I ask you a question?"

Frowning in confusion, he walked back over to the table. "Sure."

Catherine looked at Warrick for a second, and then turned her attention back to Ryan.

"It seems…it looks as though Eric and Nick have a problem with each other."

"You've noticed that too?"

"Yeah. And we can't figure out what's causing it. Do you know if there's something bothering Eric, or if Nick did something to upset him?"

"Well…"

"Come on, Ryan. Everyone else in the lab is learning to get along. We can't have these two at each other's throats."

"It's Calleigh."

"Told you," Warrick muttered.

"Shut up," Catherine snapped. "What about Calleigh?"

"If he finds out that I told you, he'll kill me. And I'm not joking in the least."

"Ryan…"

"Fine, but you didn't hear it from me. Calleigh and Eric have been friends for years, and he…well, he…"

"He has a crush on her," Warrick finished.

"He's in love with her," Wolfe corrected.

"And let me guess," Catherine said. "Nick has been flirting with her?"

"Pretty much. And someone told him that Stokes is a ladies' man. The love 'em and leave 'em type."

"That's not fair," Warrick objected. "Nick isn't like that. Well, he's a ladies' man. But the girls always know what they're getting into. And they almost always stay friends with him afterward."

"The person also told him that pretty blondes are Nick's type."

"They used to be. But you can tell Delko that he doesn't have anything to worry about."

"What do you mean?"

"Just…tell him that Nick's interests lie elsewhere. He enjoys Calleigh's company, nothing more."

"And you know this for a fact?" Ryan asked.

"Yep. Talked to him about it yesterday."

"So who's he got a thing for?"

"I'm not sure I should be telling you that."

"Come on," Ryan argued. "I told you about Eric."

"He's got a point," Catherine added.

"You just want to know who it is."

"Yeah, I do. So spill it, Brown," she replied with an amused look on her face.

He sighed. "Sara."

Catherine's eyes widened. "Our Sara? Sara Sidle?"

"The one and only."

"Oh my."

Warrick chuckled and placed a hand on her shoulder.

"You okay there, Cath?"

"I just…the poor thing, with Sara dating Grissom for so long and none of us knowing."

"Yeah. He was pretty torn up about it."

"Well, at least now I can tell Eric with complete certainty that Nick is going to steal away the beautiful Ms. Duquesne."

"Yes, please," Catherine said. "So that things can calm down here a little bit. I thought they were going to come to blows the other day."

"I'll tell him as soon as he gets in. The lazy bum's late."

Catherine laughed. "It takes awhile to get used to the night shift."

"I'm still going to rag on him for it."

"As you should," Warrick said in mock solemnity. "As you should."

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Grissom found Sara in the locker room, sitting on the bench and tying her shoe. He paused in the doorway for a minute, watching her. He was almost surprised at how little it hurt to watch her, knowing that she wasn't his anymore and soon he would be leaving. Maybe they had made the right choice.

"Hey," he said quietly.

She looked up and gave him a slow smile, the first one he had seen in weeks. "Hey."

"How are you?"

She took a minute to actually think the question over. "Okay." She nodded. "Okay."

"Good. What do you think of the new team?"

"They're good people. They're good scientists. Once we get the kinks worked out over territory and such, I think everything will be fine."

"I agree."

They stood in silence for a few more moments. Sara refocused on her shoes, but when they were both tied, Grissom still hadn't gone anywhere.

"Did you need something else?" she asked.

"Actually…I was wondering if Nick had come in yet."

"I haven't seen him."

Grissom frowned. "That's not like him to be so late."

Sara smiled again, although, this time Gil thought he saw a hint of sadness behind it this time.

"He probably had a hot date last night and hasn't recovered yet."

"One of your C.S.I.s is missing?"

Both turned to find Horatio Cane stepping into the room, dressed in his customary black.

"Nick," Gil confirmed. "But I'm sure he's on his way. He isn't in the habit of being late or shirking work."

"I wasn't suggesting that," Horatio said gently. "But I find it a tad worrisome that one of your team is missing…and so are two of mine."

"What do you mean?"

"Eric and Natalia are both missing. Neither is here, and neither is answering their home or cell phones."

"And three missing C.S.I.s is more than just a coincidence," Grissom concluded.

"Especially when two of them don't like each other enough to be hanging out," Sara added.

"Gris?"

Everyone looked up as a fourth person entered the room. Greg was holding a piece of paper out, his face ashen.

"What is it Greg?" Gil asked.

"I think you need to see this."

Grissom took the sheet of paper from Greg and scanned over it quickly. Sara watched as he read and reread whatever was written, his face turning paler by the second.

"Gil?" she asked.

"Get everyone together. Now."