Ryōko Itakura returns as the tough-as-nails government taxing agent. This time she must figure out a way to expose a fanatical religious cult lead by a corrupt sociopath.

While the young captains lead the revolution in the streets, the people of Fontainhas search for Ventura, lost in the woods.

The Mystery Gang goes to Hawaii for the Big Kahuna of Hanahuna Surfing Contest. However, the gang and the locals find the island invaded by the vengeful Wiki Tiki spirit and his demons.

Dissatisfied with his new work at the Goethe-Gesamtschule, Mr. Müller is tired of early mornings and correcting exams. Meanwhile, director Gerster strives to be a symbol of the new company. To do so, her attempts to improve the school's image involve revoking the partnership from the Schillergymnasium with a Thai school. In a last-ditch saving grace, Mr. Müller, Mrs. Schnabelstedt, and the 10b must take a trip to Thailand.

Florence and Vincent Leroy are a model couple. They have great jobs, a perfect marriage and delightful children. And now they want their divorce to be an equal success. But when they are both simultaneously promoted to their dream jobs, their relationship becomes a nightmare. From that moment on, the gloves are off, the two exes declare war and will do everything in their power to NOT have custody of their children.