Joey kills someone in the line of duty. To help him cope, his psychologist recommends that he enter into an experimental program in which he helps care for a drug-addicted baby.

A pompous Fed comes to Jump Street and tells Fuller, they're trying to find some a way to have probable cause to search the home and warehouse of a man, they believe is smuggling in drugs. The Fed wants Fuller to send someone to get close to the man's daughter. Mac begrudgingly does it. But is uncomfortable using the girl like that. And his girlfriend comes to see him, to see if they pick up where they left off.