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.
Length 88 minutes
Stewart Granger | Susan Hampshire | Cathleen Nesbitt | James Culliford | Brigitte Horney | Robert Morley | Sophie Hardy | Colin Gordon | Eddi Arent | Diane Clare | Allan Cuthbertson | Caroline Blakiston | Richardina Jackson | Yuri Borienko | Conrad Monk | John Barrett | Jeremy Hawk | James Robertson Justice | Monika Dietrich | Joseph Cuby | Inigo Jackson | Russell Waters | Tom Bowman | Carmen Dene | Carol Dilworth | Siegfried Schürenberg | Karen Young | Pauline Chamberlain | Maurice Connor | Peter Hannon | Cicely Paget-Bowman | Harry Phipps | Peter Roy | Alan Stuart | John Tatham | Hilary Wontner | Fred Wood