Carlo Monti is a young man who wants to reveal the secret of his mother's mysterious death which occurred in a strange car accident many years ago. He is an illegitimate son of a late film director. Carlo learns where his father's home was and goes there because he thinks his father was involved in the accident. There he meets Emma, a glamorous young woman, who claims to be Carlo's sister. Carlo is attracted by her beauty but he soon realizes that he has got involved in a dangerous and mysterious affair...
Monica Carpanese
as Emma De Molinis
Gabriele Gori
as Carlo Monti
Tracy Kelly
as Paola Annoni
Antonio Zequila
as Antonio
Achille Brugnini
as Prof. Lo Verso
David Warbeck
as Lanfranco De Molinis
