Eerie excitement is in the air as Alana and a group of college seniors board a party train for a Halloween-themed pre-graduation bash. Haunted by a nasty initiation prank that ruined a young pledge’s life, their fun spirals into fear as attendees are killed off one by one by an unknown a killer seeking revenge. Concealed by costumes and plagued with chaos, the killer has cunningly used the Halloween attire of victims to protect their identity – leaving everyone a suspect. As the party train continues full steam ahead, Alana must race against the rails to find the killer before she becomes the next victim.