Harry Angel is hired for $125 a day to track down the big band singer Johnny Favorite. What seems like a straight forward missing person case dramatically becomes a murder hunt for this down-and-out private detective. His client, Louis Cyphre, a mysterious stranger, is forced to up his fee to keep Angel on the case. Each of Angel's leads ends up as a victim of a ritualistic act of murder, as he begins to put together the pieces in the jigsaw of Johnny's strange story...The nightmare has only just begun.