An Italian reporter is travelling on the Instabul-Athens train. A woman is murdered with the reporter's letter-opener so that makes him the main suspect. With the help of his Swedish girlfriend he starts investigating in order to prove his innocence.

Thinly sketched portrayal of Maria, a sixteen year old girl who is resentful of her mother's decision to live with her lover. She flirts with the lover and eventually succumbs to his lust.