Unravel the mystery of a city in middle U.S.A. that imprisons everyone who enters. As the residents struggle to maintain a sense of normalcy and seek a way out, they must also survive the threats of the surrounding forest.

It follows a college student as she boards a party train for Halloween, and ends up fighting for her life when a mysterious assailant begins killing the people one-by-one.

The remaining survivors are coerced to take a New Year's Eve redemption ride on the very same train, where a new evil awaits and the terrified passengers must once again fight to survive the ride.