A rich woman, Raffaella, and some friends rent a yacht to sail the Mediterranean Sea during summer. The sailor, Gennarino, who is a communist, does not like this woman but has to bear with her bad mood. One day she wakes up late in the afternoon and asks to be taken to land where everyone had gone earlier. Gennarino sets up a boat but during the trip, the boat breaks down. They spend the night in the middle of the sea.,为首叫嚣最大声的那名进化者也在射死的三人之中,剩下的三名进化者先是一呆,接着拔腿就向外跑,两人跑的太急还撞在一起,轰隆一声从门口三层的台阶上摔下去,幸亏地面上都是积雪,不然他们脑袋先着地有的受。……