Detectives Mauro Bruno and Elia Donati, surviving numerous attempts on their lives while bringing Duke Rodolfo Rizzo to justice, decide to take a vacation in Paris to celebrate and relax. However, not long after they arrive Donati is cleverly framed for a murder he didn't commit, but which he finds impossible to refute since the killing was captured on the hotel's camera security system. With Donati in jail, Bruno tries to discover why he's been framed and who's behind it. Helping him is a French investigator, Lisette Donais. Together they uncover a web of deceit that involves a Saudi official, the French mafia, a recluse in the wealthiest residential area of Paris, and a suicide in Milan. Not long after, Bruno is also framed for murder. On the run, he and Donais discover that the key to vindication is in their past.