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?

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

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

An unexpected wedding is disrupted by an unexpected death. As Lidia looks to get to the bottom of it, Enrico prepares a very important speech.

Lidia and Enrico discover some family secrets when, in an opioid haze, a man from Lidia's past confesses to patricide in her childhood home.

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.

Much to Enrico's chagrin, Lidia agrees to defend an anarchist accused of murder. But the scandal goes deeper than she expected and lands her in trouble.

A woman very similar to Lidia — educated, underestimated, scorned — is on trial. Lidia wants to represent her, but is she too invested to see the truth?

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.