Two young women, Margaret and Lisa, are set to take the overnight train from Munich in Germany to stay with Lisa's parents in Italy for Christmas. Unfortunately a pair of psychotic hoodlums and an equally demented nymphomaniac woman terrorize the pair.

Flavio Bucci
as Blackie

Macha Méril
as The Lady on the Train

Gianfranco De Grassi
as Curly

Enrico Maria Salerno
as Prof. Giulio Stradi

Marina Berti
as Laura Stradi

Irene Miracle
as Margaret Hollenbach

Laura D'Angelo
as Lisa Stradi

Franco Fabrizi
as The Voyeur on the Train

Dalila Di Lazzaro
as Nurse Pauline (uncredited)

Rita Moscatelli
as Marie (uncredited)