A group of university students decides to celebrate New Year’s Eve aboard an old train that has been transformed into a luxurious party. Amid laughter and dancing, the emotional evening takes a terrifying turn when a mysterious killer, who has been locked away for years in a mental institution, manages to infiltrate the train. This maniac, with a dark criminal record and a haunting past, begins his hunt, leaving a trail of corpses in his wake.
As the students enjoy the party, the festive atmosphere quickly turns into a deadly game. Group members begin to disappear one by one, and soon they realize that the true terror is not only the threat of the killer but also the paranoia that takes hold of them. Trust is shattered among friends, and each one becomes a potential suspect.
As the victims fall and the tension mounts, a young woman named Alana, who is one of the survivors, starts to investigate the mystery surrounding the killer and the dark past that connects many people on the train. Heading towards a surprising conclusion, Alana must use all her cleverness to survive the night. The film plays with the concept of betrayal and the horror that can arise from the very place that should be a space of celebration and friendship, leaving the audience on the edge of their seats.