A DEA agent with PTSD returns home after a botched mission and must now protect his family from a home invasion after a recently freed convict and his henchmen come after their stash of millions inside of the agent's home.

　　一群情侣来到偏僻小岛上，他们想要在这里修复彼此之间糟糕的关系，万万没想到的是，有六个头的怪鲨鱼正在对他们虎视眈眈....