Wojo brings in a sick perpetrator who collapses on the floor. The entire precinct is placed under quarantine, including a prostitute who gets friendly with Fish, Marty, Mr Driscoll, and Inspector Luger.
It's Election Day. A woman, being prevented by her husband from voting, throws a toilet seat into the street to get attention. A shoplifter is escorted to vote by Wojo and then lost by him. Inspector Luger campaigns for a political crony.
Fish goes undercover to catch a mugger who's targeting Santas. Wojo doesn't know how to tell Yemana that his Christmas Eve date is a call girl. Luger fishes for an Christmas Day invitation from Barney.
A couple wants Barney's assistance with their cult-influenced daughter. Nick's bookie is arrested. Harris gets a short story published in a slick gentleman's magazine. Bernice interviews for a job over Fish's objections.
Barney investigates a sex clinic that more closely resembles a brothel. Harris investigates a rash of crimes apparently committed by a juvenile. Weary of waiting for a promotion, Levitt announces that he's quitting the force.
Barney discovers that Harris has a second job. Dietrich arrests a priest for fencing stolen goods. A racketeer is using a mentally challenged boy as an assistant.