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.

After her sister's murder, Nic, her younger sister and two friends seek solace through a Pacific island kayaking adventure. Hours into the trip the women are stalked by a shark and must band together, face their fears and save each other.