Alana and a group of college seniors board a party train for a Halloween-themed bash, but their fun spirals into fear when a mysterious assailant begins killing the passengers one-by-one.

A year has passed since a series of gruesome murders took the lives of multiple college seniors aboard the now infamous Terror Train. The survivors are coerced to go on a New Year's Eve redemption ride aboard the very same train, where a new kind of evil awaits and the terrified passengers must once again fight to survive the ride.