Nele and Gianni have been married for ten years and though they still love each other their sex life has become stale. An encounter on a dating app changes things.

Nele and Gianni's couple therapy not only reveals sexual desires, but Nele wants to develop professionally. Within their circle of friends, therapy provides a topic of conversation.

Gianni and Nele agree to separate sessions with the therapist so that they can speak more openly. Monika demands that Hanz look after the sons more. Davorka entertains the women with their affairs.

A tragic accidental death is a topic of conversation among the gang. At the same time, the desire to have children requires planning sex. Nele and Gianni resume their love life.

Nele and Gianni are getting impatient after many unsuccessful attempts at conception. While Gianni continues, Nele's mind is elsewhere.

Nele and Gianni begin an open marriage and quickly discover this is going to require some guidelines. Anton lives his new life unrestrained and Monika makes a confession to Heinz that shakes his world.

Nele and Gianni pretend to be enjoying their open marriage. Monika wonders what attracts men to a brothel. And Gloria demands separation of her professional life from her private life.

Nele is ashamed of the emotional chaos her love affair with Timo has caused between her and Gianni. Anton returns to the retired group where he talks about his severe loss. And Heinz makes a declaration of his love to Monika.