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 　　译文(3): 苏格兰场的一名侦探正在调查一系列抢劫和谋杀案，他发现的信息将他带到了一个富裕但陌生的英国家庭的庄园，他们与一群修女共享豪宅。侦探开始怀疑这个家庭和修女都不是他们看起来的样子