It's Christmas and the detectives room soon gets overrun with vagrants with nowhere to go. Wojo and Dietrich bring in a homeless suspect and a merchant who caught him sleeping in his business and ultimately assaulted him with a cattle prod. Harris brings in a suspect who caused a disturbance when he was fired at his office Christmas party.

As Barney and the detectives of the twelfth precinct work in uniform while Levitt and the officers take their sergant's exams, Inspector Luger volunteers to be in charge for the day and ultimately gets in trouble for roughing up a suspect, and later Barney.