After a strange storm in the Carribean causes a boat to sink, a family finds itself stranded on an island in the "27th dimension".

An amphibious shark-like monster attacks an abandoned secret military base and the people who live on the island.

Desperate to repay his debt to his ex-wife, an ex-con plots a heist at his new employer's country home, unaware that a second criminal has also targeted the property, and rigged it with a series of deadly traps.