This film describes a group of college students holding a masquerade party on the train, but a freshman who was teased in the fraternity got into the train under psychological imbalance. He kept changing clothes, waiting for a chance to kill the college students one by one. Jamie Lee Curtis, the heroine of this film, has become a popular star in low-cost horror and murder films after her rise with "Moonlight panic." Seeing the hunter's delight, the Canadian film industry invited her to star in the film with the train as the story stage, and hired John Arcot, the famous photographer of "the Spirit" and "Clockwork Orange," and directed by Roger Spottiswood of Canada. The plot describes a group of college students holding a masquerade party on the train, only to find that a freshman who was teased at the party three years ago got into the train under psychological imbalance. He kept changing clothes, waiting for a chance to kill the college students one by one. Compared with similar films, the story scene of this film is relatively special, and the handling of the atmosphere is also quite creepy. It is a film with a good performance in production, but the plot arrangement still has to succumb to the stereotype of similar murder films. I was never able to ask you to climb another tall building. The heroine Jamie L.