Stefano, the son of a wealthy businessman, meets a beautiful woman named Lidia while accompanying his father to a meeting with a cardinal. He pursues her through the streets of Venice and a romance develops. Upon returning from an overseas business trip, he is informed that Lidia has been killed in an accident. Soon afterwards, he thinks he recognizes her at a building site, but the woman claims to be a reporter who is obviously involved with gangsters. Furthermore, all evidence of Lidia's death has now been obliterated. Stefano continues to investigate the mystery, uncovering family intrigues

Peter Lee Lawrence
as Stefano Bruni

Erika Blanc
as Lidia Caselli / Renata Pavanne

Ivana Novak
as Giovanna

Enzo Loglisci
as

Fausto Del Chicca
as

Ubaldo Pasqualetti
as

Silvano Tranquilli
as Police Inspector

Pietro Torrisi
as Turi

Carlo Papi
as

Orazio Stracuzzi
as Don Celso