The arrest of Mario Chiesa is the spark that ignites Tangentópolis; while Italy is experiencing a political earthquake, the lives of six people are intertwined.

Marketing executive Leonardo Notte attempts to hid his murky past as a radical left activist; police officer Luca Pastore takes care of some personal business.

Police officer Luca finally gets his man; Leo's murky past is threatened to be exposed; Gulf War veteran turned politician Pietro grows disillusioned with Parliament.

A suicide shakes the consciences of many of Milan's power players and forces everyone to confront their responsibilities and their political ambitions.

Luca is forced to face his darkest demons; Leo reflects on a morbid episode from his past and Pietro and Veronica find their lives heading in totally opposite directions.

Luca holds a secret meeting with Bibi, Leo takes a risky decision in order to brighten his future and Peter finds a reason to fight in parliament.