In the wake of a shooting, Fourneau takes over the Nitti investigation. Enrico receives an eminent guest, while Lidia and Jacopo race against the clock.

Despite Lidia's conflicted feelings for Fourneau, the murder of a prison guard forces them to collaborate again, as Jacopo edges closer to finding Nitti.

Lidia uncovers a conspiracy and faces a choice: Should she stay and make her way in a place that doesn't want her, or seek her fortune elsewhere?

When a ballerina turns up dead, her alleged stalker is accused of murder. Desperate, the suspect's mother turns to Italy's first female lawyer for help.

As Lidia investigates a mysterious poisoning at a prestigious boarding school, Jacopo digs deeper into their friend's death and Marianna uncovers a lie.

After a seance at a wild party, a wealthy businessman mysteriously expires, and the most likely suspect has been locked in an asylum for years.

Lidia is determined to keep fighting for equality. When a friend is murdered and found with two cryptic notes in his pocket, she teams up with Jacopo.

Enrico remains doubtful about running for Parliament while Prosecutor Fourneau and Lidia struggle to connect the victims of a series of brutal murders.