A psychiatrist is murdered and a rich heiress fears her disturbed lover will be implicated as the killer. She hires an ex-lover lawyer friend to help her defend him but when he turns up dead, the lawyer realizes he´s in over his head.

The film covers the last year of Pier Giorgio Frassati life, son of the family that owned the newspaper La Stampa, who lived between 1901 and 1925 and was beatified in 1990.