A policeman investigates a woman's link to murders that are preceded by a shrilling horn inside a family mausoleum.
Lt. Valcour
Laura Endicott
Philip Endicott
Office Cassidy
Jane, a Maid
Julia Endicott
Herbert Endicott
Thomas Hollander
Miss Roberts
Chief of Police
Watchman
Medical Examiner
Director
Theatre Play
Screenplay
Story
Adaptation
