A Zombie curse is placed upon a woman, which causes her to have living snakes inside her. Brujo, who is looking after her, attempts to take her to Los Angeles on the train. After several confrontations on the train, Brujo's collection of snakes manage to separate themselves from their owner and go on the hunt. Whilst all this is happening, normal, everyday passengers are relaxing, what is unknown to them is that something deadly is heading their way, and that there is no way out.—Vampiric

A powerful Mayan curse causes snakes to hatch in the stomach of a young woman, eating her inside out. She needs to get from Mexico to Los Angeles in order to have the curse lifted by a powerful Mayan shaman. On the brink of death she boards a train headed for L.A. Unfortunately the passengers are now trapped on board, and left to fall victim to these vicious, venomous vipers.—Anonymous

Under a powerful Mayan curse, snakes are hatched inside a young woman, slowly devouring her from within. Her only chance for survival is a powerful shaman who lives across the border. With only hours to live, she jumps on a train headed for Los Angeles. Unfortunately for the passengers aboard, they are now trapped, soon to be victims of these flesh-eating vipers.—Website