乔治·斯塔克是一个富有的实业家，邀请他的五个商业朋友到他的遥远的地中海岛上一个周末的放松和商业，当他介绍他们教授法雷尔，一个辉煌的化学家谁给团队投资的想法。 但是反对法瑞尔的愿望，这个团体背后对方获得关于Farrell的化学思想的信息，很快客人和居民开始逐一死去一个一个，斯塔克和法雷尔必须集体在一起确定杀手的身份，尽管没有人 信任任何人。

George Stark is a wealthy industrialist who invites five business friends of his to his remote Mediterranean island for a weekend of relaxation and business when he introduces them to Professor Farrell, a brilliant chemist who gives investment ideas to the group. But against Farrell's wishes, the group goes behind each other's back to obtain information on Farrell's chemistry ideas and soon the guests and residents start turning up dead one by one as Stark and Farrell must rally the group together to determine the identity of the killer despite nobody trusting anyone.