Ardenzi managed to get away, Guaraldi was finally arrested and Sabatini is still on the run, this time in the company of Daria. But the former agent cannot give up and continues his strenuous search for the stolen diamonds. Guaraldi himself does not intend to accept defeat and plans an escape with his accomplices. In the meantime, Mauretta finds herself collaborating with the team on the case of a serial rapist, without telling her father.