Nobili tries to lead the team amid Mazinga's resistance, resulting in another injured agent. Investigations continue as someone questions loyalty.

The unit faces interrogation. Marta fears for her daughter. Nobili earns respect by defending a family during a riot — while a crisis erupts at home.

While Nobili opens up to Marta, Mazinga expresses his exhaustion with work. Salvatore's long-distance relationship triggers his insecurities.

Still unsure about what to do with the new evidence, Nobili takes the law into his own hands — and so does Salvatore. Pietro gets serious with Mazinga.

At a Christmas dinner, Nobili makes a final move to fit in with the squad. A notification from the prosecution puts everyone at risk of suspension.