Due to torrential rain flooding the city, Barney and the detectives are concerned that the roof will collapse soon. Meanwhile, Chano and Harris bring in a nightclub comic, who incited a riot in the middle of his act.

The detectives of the twelfth precinct have to deal with a man who comes to fill out a missing persons report, convinced that his wife is Jean Harlow. Barney has to deal with a pair of overzealous women detectives who arrest a drug dealer on a college campus. Fish looks to his colleagues for advice on how to lose a little bit of weight.