Since Annie and Ralf have gotten back together, they’ve formed quite a well-functioning team with baby Dominik’s biological father. But now Annie and Ralf’s relationship faces a new challenge. Annie’s best friend Tine and her husband Nils, who is Ralf’s best friend, have been trying to get pregnant for five years now. But so far, all of their medical exams and attempts have been unsuccessful – Nils’s sperm are just too sluggish and weak. Could Ralf perhaps help them out?