Interesting modern actualization made by Italian broadcasting service (RAI) of immortal, well-known characters created by the genial American novelist Rex Stout.

Michele Moretti is an aspiring director who lives with his brother Niccolò with whom he manages mattresses sales; he spends his free time with his friends Francone and Giovanni and with Anna, a girl he has met and who sells paintings at traffic lights. One day he gets an interview with the director of a television network and, to make a good impression, he declares that he is Nanni Moretti 's younger brother.

Don Matteo is a thoroughly ordinary Catholic priest with an extraordinary ability to read people and solve crimes. He’s a parish priest who never met an unjustly accused person he didn’t want to help.

Alex and Max are two "bachelors" who share the same house: Alex, advertising copywriter, is boxing, is an impenitent dongiovanni and does not hesitate to betray his colleague and girlfriend Paola; Max, saxophonist, neglects his ulcer and is attracted, yes, but also scared, by women. The meeting with the chorister Anna at a recording session gives birth to a relationship that she would like to realize in a cohabitation that frightens the other. Meanwhile, Alex, between an adventure and the other, waits for the call of the only woman for whom he spits, Eleonora, who is undecided whether to leave for him the man to whom he is bound, exasperates him in a frustrating way. The father of Alex then, Dante, who has a relationship with a young woman, called Chicca, asks in vain to his son to act as a peacemaker with her, who has left him. Anna.