私家侦探马克·斯宾西里（毛里齐奥·梅里饰）在调查一起失踪事件时，发现了一个可疑的国际组织的存在。
A beautiful young woman marries a blind old man for his money. She carries on an affair with her husband's valet, but soon finds herself in the middle of a murder-for-money plot involving the household servants.
