A small coastal town in the south-west of France is on high alert after a surfer disappeared - Soon the incredible truth is revealed : a shark is prowling in the harbor .

千万不要和陌生人说话，一场惊心动魄的猫捉老鼠的游戏从一个小饭馆里开始。贝丝经营着小镇上一个饭馆和一个汽车旅馆，一天来了一个神秘的陌生人叫杰克，贝丝帮助了他，但祸事从此接踵而来……