During a delicate investigation into various personalities of the upper business and banking world, colluding with organized crime, the chief commissioner Vincenzo Laganà is killed in his office for not accepting a bribe of 200 million.

Meanwhile, Commissioner Barresi is about to resign, after having found 100 million credited to his bank account and having received a phone call from unknown persons who clarify how he will have to behave during the investigation that will follow the assassination of Laganà.

After having followed the assassins in vain, Barresi makes an agreement with the commissioner to resolve the case.

Barresi then questions Silvia and discovers that she had appropriated the bribe offered to her husband to bribe him, and manages to save her just a moment before the woman tries to commit suicide, desperate.

[1] It grossed a total of 1.011 billion Italian lire on its theatrical run.