Synopsis:

When Carlo meets the young and fascinating Selina in Hamburg, he believes that his life has a new start.
He is a well known industrial chemist in Milan, but his successful business has achieved through his rich wife’s money. She is difficult, unbearable , older than him, and to make matters worse, constantly unfaithful to him. Selina is apparently just a simple tourist guide, but when Carlo falls in love with her, he seems to be suddenly plunged into a series of alarming events… even murder. Unknown to him, he has become the protagonist of an international espionage hunt for secret chemical formulas which East German spies have stolen from the CIA.
Selina is an unwilling spy who has been blackmailed into the espionage game and she has to use Carlo even though she loves him. With his help. She manages to secretly enter Italy, where the search for the missing formulas become desperate. Carlo is blissfully unaware of the fact that he is carrying the missing formulas around with him.
The hunt gets closer, and just when the trap is about to spring, Carlo is saved. The villains are killed and the formulas which have served as a bait to undercover secret police activities, are returned to the CIA. Selina and Carlo are now free to begin their new life together.