Three best friends accidentally discover a tropical plant which is actually all-powerful aphrodisiac.The effects of this plant’s juices are amazing: people end up making passionate love with a first person they see and all the brakes cut loose instantly!

Ziege, Häschen and Max have now moved to Berlin for studying. They ain't got no money till the mystic plant reappears. Soon they have enough money for champagne, a penthouse and a nice car. But everyone's got private problems. Häschens girlfriend Valerie is in Sevilla, Max is too shy to go into Berlin's gay-clubs and Ziege is in love with the girlfriend of a manager of a big company. But being very boyish they don't just sell the SexUp pills, but also use them for themselves. Of course the old problems reappear.

After her mother decided that the eighteen-year-old mentally disabled Dora no longer has to take psychotherapeutic drugs, the young woman begins to blossom. The sedated teenager was never a problem for her surroundings – but new challenges arise when the pleasure-loving young woman discovers her sexuality. The family is threatened to fall apart.