At dinner, Nele and Gianni reveal to their circle of friends that they’ve decided to open up their relationship. With strict ground rules set, they embark on sexual trysts with new people, but find they may have underestimated their own emotions.

On the outside, Nele and Gianni appear to be enjoying their open relationship. However, on the inside, their jealousy grows, especially when Gianni enters into a relationship with his new boss. Meanwhile, Monika explores what attracts men to brothels.

Nele is ashamed of the emotional chaos she’s caused through her love affair with Timo, Gianni feels too old for Gloria. With their last couples therapy approaching, Nele and Gianni have a big decision to make about the future of their marriage.