简介：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 .
![潜艇总动员：寻龙[预告片]](https://imgsa.baidu.com/forum/pic/item/b74543a98226cffcd090678eff014a90f603ea51.jpg)
