Valmira lures the mafia into an ambush - with fatal consequences. And in order to solve the double murder, the Tschuggers penetrate the heart of the Swiss intelligence service. Pirmin's son Benjamin plays an important role. But the dubious Flics are hot on the Tschuggern's heels.Valmira and Juni spent a wonderful, if uncomfortable, night together in the car. But the idyll is soon over: they are being pursued by the mafia, who want to get their hands on them. The clever Valmira takes advantage of their thirst for revenge to take revenge on the fraudulent music producers. She lures the mafiosi into their office - which has fatal consequences.Thanks to political help from the top, Bax, Smetterling and Pirmin are able to free themselves from the clutches of the dubious Flics. The Tschuggers head to the intelligence service in Bern to investigate the murdered Biffiger's involvement in dark, state-threatening machinations. But the federal building resembles a fortress. How are the Tschuggers supposed to get in there?What makes things even more difficult is that Pirmin is now having his daddy's day - he's taking little Benjamin with him to Bern. Bax finds this excessive: the kid is endangering the whole operation. But Benjamin's qualities turn out to be a blessing. Thanks to his Tom Cruise qualities, the Tschuggers take a decisive step further. But the biggest hurdle is yet to come: the dubious Flics are hot on the Tschuggern's heels. At the heart of the Swiss intelligence service there is a big finale between good and evil.