After escaping prison Kat finds his own revolver pointed to his head by an unknown assailant. As the empty rounds click away, Kat tries to remember what happened to each bullet.
A sea plane is destroyed in a freak accident, five people find themselves drifting on a raft. At the mercy of the tide and with no hope of rescue, the helpless situation takes a horrifying turn when they are terrorized by a ravenous great white.