After a former model is drowned in her bathtub, Detective James Halloran (Don Taylor) and Lieutenant Dan Muldoon (Barry Fitzgerald) attempt to piece together her murder. A friend of the victim mentions Mr. Henderson, and the police also find the actions of Frank Niles (Howard Duff) peculiar. As Muldoon and Halloran start to fill in the details of the victim's past, they find that she had a lively social life, filled with many suitors, and the mystery becomes even more complex.
