Martin has failed as a veterinary surgeon and works in research. But then he loses this job too. He is neither stupid nor lazy, just incredibly scatterbrained. His girlfriend Tessa has had enough and throws him out. Martin is left in a shambles. Just at this moment, he receives a call from his mother Beate: his father Henning, a veteran country vet, has broken his arm and needs Martin's help.

The cabaret artist Marc-Uwe and the kangaroo are faced with a problem: Lisbeth, the mother of Maria has taken a wrong turn somewhere and is now denying the climate crisis on the Internet. How can she be brought to her senses? The two make a bet with each other: If they don't manage to bring Maria's mother to her senses, they will lose their apartment. So Marc-Uwe and the marsupial embark on a trip to the Conspiracy Convention in Bielefeld and shortly thereafter become part of a tangible conspiracy led by conspiracy guru Adam Krieger and his followers. As the two flatmates talk their heads off, it's no longer just about their apartment for Marc-Uwe and the kangaroo, it's more than that: it's a matter of life and death!

The four friends Musti (Reza Brojerdi), Hannah (Lea van Acken), Yannick (Jerry Hoffmann) and Tom (Lucas Reiber) could not be more different. But they have one thing in common: They are all pretty nerdy misfits who only just survived school thanks to their mutual support. For graduation, they want to prove it to everyone and promise nothing less than the craziest party of the year. However, the closer the legendary party gets, the more the friends realize that there seems to be something between them. Be it unspoken feelings, hurt pride or fear of the future. When the big day of the party finally dawned, the four of them were no longer just about celebrating, but about saving what is most important to them: their friendship!