Due to the housing shortage in Valais, Bax settles in Pirmin's garage, much to Regina's dismay. Meanwhile, Valmira has not yet given up on her dreams of glory and Juni does everything he can to help her realize them.

Bax is seriously injured during a fight: will he be able to reach the hospital in time? Meanwhile, the babysitter Nadira is in grave danger, while Valmira seems willing to do anything to get a collaboration with a rap star.

Bax and Pirmin discover that Regina is leading a double life, also uncovering other clues that reopen an old case. Nadira is instead hunted by a ruthless assassin, while Valmira finally realizes her dream, but at a very high price.

Cornered, Regina finally confesses that she is on a secret mission for the government. Meanwhile, the bumbling Bax makes another mess of his own, sparking a full-blown international crisis.

In an abandoned power plant, Bax and Pirmin find themselves fighting to save the world from impending doom. However, their mission becomes complicated when they must also free Nadira from the clutches of a relentless bounty hunter.