A bomb blows up in Milan and five people die. After only three hours Ravida, the chief of the Secret Service, knows the name of the killer and that of his chief.

Massimo Ghini
as Carlo Tommasi

Massimo Dapporto
as Beppe Fossati

Antonello Fassari
as Carmine Muschio

Isabel Russinova
as Judge Francesca Savona

Mariella Valentini
as Laura Melli

Tony Sperandeo
as gangster

Tino Bianchi
as banker

Aldo Massasso
as Di Salvo

Adriana Russo
as Lilli Calvesi

Alfredo Pea
as Torre