A new type of heroin called Bogeyman is hitting the streets and several people are either dying or ending up in the hospital. Danny tries to get one of his informants to find out who is selling it. Frank turns to Livingston for help with a plan to get the drug off the streets. But something goes wrong and Frank thinks she stabbed him in the back. Danny's informant turns up dead as an od. Nikki while at a party, discovers someone overdosing on something she grabs one of the packets and gives it to Danny, who recognizes it as Bogeyman. He talks to the girl who was throwing the party and learns where she got it from. Danny goes there and finds the man dead. Someone calls him and Danny pretending to be him asks him to come. Jamie and Jenko are forced to arrest a young thief. And because of what she stole, she could be facing felony charges. Jenko feels sorry for her and tries to talk to her but she doesn't say anything.