During a nocturnal chase in the streets of Bologna, a girl steals his gun from Coliandro. While trying to track down the unknown, the inspector comes across a dangerous criminal organization.

In the trial against the boss of the Casalesi clan, the Bologna prosecutor's office has to rely on the testimony of Jelena, who now lives under protection. Coliandro, still in love with the woman, learns of her new cover and decides to go and see her. But there he has to contend with two fierce killers.