He had to get this show on the road. Now.

Problem was...they were runnin' out of manpower.

Voight couldn't see anyone in their right mind buyin' Erin as a co-ed. She had seen too much, she could carry herself. She didn't do the "doe-eyed little girl". Antonio was also out. For pretty much the same reason. And that left Olinsky and Yours Truly.

They were totally fucked.

They needed a game changer. A wild card.

Maybe they didn't use a "student"? Maybe they use someone who might have ties to a student?

Maybe someone with a twenty-one year old kid sister.

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Voight didn't give anyone a head's up that he was goin' to 51. He strode in...bypassing the questioning looks, walking straight back to the man in charge, Chief Boden. Even he would have to be kept in the dark. The less people who knew, the greater the chance for success.

"Hey, Chief. Sorry to barge in on you, but I gotta have a word with Severide." Voight said when he walked in.

"Thought the Keeler case was closed."

Boden didn't like the look in the sergeant's eyes.

"It is. No...this is something more...let's just say of a personal nature."

Boden's eyebrows rose, wondering what Severide had gotten himself into.

"He's prob'ly in his quarters." the Chief said finally. "I'll have someone take you back."

Kelly was shocked as anybody when Voight walked into the room, closed the blinds, and plopped down in a chair like he owned the place.

"I got a problem." Voight said.

"And this concerns me how?" Severide asked.

"See, we got this drug ring..." Voight went on, like he hadn't heard that last remark. "They're dealin' in prescriptions. An' we got some unsuspectin' kids...kids with more money than you an' I'll ever see...endin' up dead.

He looked Severide in the eye.

"An' these kids...they got daddies who got friends in high places...like the Commissioner's office...like the Mayor's office."

"We'll all keep an eye open." Kelly said "If we hear anything we'll let you know."

He rose to see the cop out, not sure why he was talking to him and not Boden.

"I need a bit more from you then that." Voight said, not moving from his chair.

A tight-lipped smile formed across his face, and Kelly knew good news would not be following.

"Just cut the bullshit," Kelly told him. "Whaddya want from me?"

The sooner the cop laid his damn cards on the table, the sooner he'd get outta there.

Voight laid out the basics of what he needed from Severide...driving home the fact that the lieutenant really owed him, really owed the CPD.

Kelly didn't say anything at first. He just let the man talk.

He did owe them. Big time. But someone needed to point out the fucking obvious.

"But I'm not a cop. I don't know anything about undercover work."

"Well, you're in luck...'cause we do."

But "luck" wasn't the word Severide was thinking of.

"We'll be right there, every step 'a the way. And you're not being a cop. You're being you. You're just getting information for us."

Now Voight was done. He'd said his piece... and he stood up and held out his hand to the lieutenant to seal the bargain.

Kelly reluctantly took it.

"Okay...I'll do it."

"One more thing. Why me?" asked Kelly, as Voight was on his way out.

He knew it had to be more than the debt he owed.

"Let's just say I heard you had a little problem with prescription pain killers a while back." Voight said. "So this won't be too far outta your comfort zone."

Voight walked out the door leaving Kelly chew on that one for a while.

He heard the door slam, and he knew he had just what he needed.

Perfect, thought Voight. The first piece fell right into place. Now, time to talk to Erin.