Down on his luck attorney Francis Parnell is retained by a beautiful but mysterious woman to perform unspecified, but equally mysterious duties. When he arrives at her apartment for their first business meeting, the lawyer finds his client dead from a gunshot wound. Parnell discovers that there were many people who wished to do his erstwhile client harm - a two-timing husband, his jealous wife, an equally jealous ex-boyfriend and a faux-French maid.
A woman returns a trip out of town and finds someone else staying in her apartment who claims to lived their years. When her landlord and the building's janitor claim to have never seen her before, the woman takes her concerns to the police and their staff psychologist are return to the woman's apartment building to find everything as it should be - except the woman's husband has disappeared.