Former secret agent Robert Elliot (Coburn) will be promoted to government advisor. In order to make sure no-one will ever know about his dirty past, he has invented a very ingenious plan to get rid of his four helpers: he gets them all to unknowingly kill each other in the course of a single night.

　　讲述英籍职业杀手受聘暗杀法国总统戴高乐，而法国警方亦从蛛丝马迹中获知了他的阴谋，于是全力阻止杀手的行动。