一群大学时的老朋友在加勒比海潜水之旅中重聚，探索二战战舰的残骸，发现自己被困在由大白鲨包围的生锈金属水下迷宫中。
When a heist goes dramatically wrong, leaving a hostage in peril, an unlikely trio find themselves fighting for their lives and their sanity on bonfire night.
