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.

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.

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.