When famous advertising executive Laura Hunt (Gene Tierney) is found dead in her apartment, killed by a person with a shotgun on a Friday night, Detective Lieutenant Mark McPherson (Dana Andrews) is in charge of the investigation. He interviews the prime suspects and friends of Laura: the snob and arrogant journalist Waldo Lydecker (Clifton Webb), who promoted Laura at the beginning of her career and fell in love with her; and her fiancé, playboy Shelby Carpenter (Vincent Price). While investigating Laura's past through her diary and personal letters, Detective Lieutenant McPherson falls in love with her.—Claudio Carvalho, Rio de Janeiro, Brazil