When history’s greatest aquatic predator returns, the armada of modern warships sent to destroy it has no chance at all.

What is supposed to be a marriage boot camp on a remote island turns into the ultimate test for survival when a 6-headed shark starts attacking the beach. Trapped with minimal weapons they try to fight off the shark, but quickly discover that no one is safe in the water or on land.

一艘正在寻找不明潜水器的军用船只发现自己与一只巨大的鲨鱼面对面，他们被迫只使用船上的东西来保护自己不受这只巨兽的伤害。