A train derails into a lake in the middle of the night and the passengers are trapped in the sinking wreckage. But what lies beneath the surface is far worse as they fight to survive against a deadly predator determined to kill them one by one.
A train derails into a lake in the middle of the night and the passengers are trapped in the sinking wreckage. But what lies beneath the surface is far worse as they fight to survive against a deadly predator determined to kill them one by one.
