Competition rider Nina Becker and movie star Niklas Tremsaal are a happy couple without a marriage certificate. Marrying is not an issue for the two - until the little niece India holds cheap plastic jewelry on Nina's finger for an engagement ring and so gets an avalanche rolling, which can not be stopped. - "Marry makes me nervous" is a joke-staged romantic comedy. Suzan Anbeh plays marrying Nina, who has to choose between her fiancé and her childhood sweetheart.

At a conference in Verona, the dutiful German family man falls under the spell of the Italian Elsa. As soon as he falls for her, she disappears without a trace. Leo wife Hannah remorsefully confesses the affair. She forgives him. Then suddenly Elsa appears.

Pit Handlos has invested a lot of money in a dubious beauty product distribution business and has been trying to sell the products to former girlfriends ever since. He hides the decline of his middle-class existence behind a pretended facade of success. After losing his apartment, he moves in with his son Flo and his son's goth girlfriend Moni under a pretext and becomes entangled in untruths. When his reunion with his childhood sweetheart Christiane ends in a customer meeting and Christiane turns away disappointed, Pit realizes that something is going wrong. Only slowly does he realize that he still loves Christiane and that he must finally be honest with himself if he wants to give his life a chance.