A young woman, Ketty Capasso, is found murdered: suspicion falls on her violent partner, but the police uncover other possible scenarios. Meanwhile, Gerri decides to piece together her past by searching for Tano, her childhood friend who holds a crucial truth.

The discovery of human bones, possibly those of a young boy, refocuses attention on missing minors. But a phone call leads Gerri to another lead. Meanwhile, a child disappears into thin air. A race against time begins to save him.

It's Christmas Eve, and Gerri and Lea investigate gunshots heard in an abandoned warehouse. During their investigation, the two officers stumble upon "Villa del Possibile," a shelter for women in distress that harbours illicit trafficking. Meanwhile, Marinetti, with the help of Deputy Commissioner Aquarica, delves into Gerri's past.

In Trani, the body of Rossella Albani, daughter of a powerful lawyer, is found on a deserted beach. The investigation points to the Albanis' ties to local notables, but Gerri pursues another risky lead. Meanwhile, Marinetti, concerned about his health, decides to delve into the young policeman's past.