Summary: A Scotland Yard detective is investigating a string of robberies and a murder, and the information he uncovers leads him to the estate of a wealthy but strange English family, who share their mansion with a group of nuns. The detective comes to suspect that neither the family nor the nuns is quite what they seem to be. (imdb)

Poster submitted by Gauntlet

Genres: Comedy, Drama, Crime

Country: West Germany

Directed By: Cyril Frankel

Written By: Edgar Wallace, Derry Quinn

Starring: Robert Morley, Cathleen Nesbitt, Stewart Granger, Susan Hampshire, Eddi Arent, Sophie Hardy, Brigitte Horney

More information at the Internet Movie Database