Italian horror in which two high school friends are subjected to terror on a night train from Munich to Verona. As they board a packed train for their Christmas holidays, Margaret (Irene Miracle) and Lisa (Laura D’Angelo) are abruptly joined by two fleeing criminals (Flavio Bucci and Gianfranco De Grassi) and are forced to help them hide, despite being disturbed by their odd behaviour. But when they have to change trains in Austria, the two friends are shocked to again be joined by the criminals and their new accomplice (Macha Méril), who proceed to enact a night of unimaginable horror on their young victims