When her illegal husband is deported from Canada, Bassima, a young Syrian woman, finds herself in a difficult situation, both socially and financially. Desperately looking for a way to bring her husband back, she agrees to become a surrogate mother in exchange for a false passport for him. However, she soon finds out that she is already pregnant and must give up her own child.
1979. Donald Lavoie is a fearsome hitman who works under the orders of Claude Dubois, head of the Montreal South-West mob. Donald is tasked to take under his wing new recruit Serge Rivard, a hotheaded small-time crook who soon compromises him in a botched double murder. Donald avoids justice thanks to the Dubois clan's lawyers, but this is only a temporary setback for Detective Sergeant Roger Burns, who wants to convince Lavoie to become an informer.
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.