在夜幕降临时，暗杀者潜伏于阴影，勇敢铤而走险，完成致命一击。姐姐真漂亮5电影

　　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.