Katrin is a single mother of twins. When they find out that they owe their existence to a sperm donation, they persuade their mother to find their biological father.
Anica Dobra
as Katrin Brand
Richy Müller
as Frank Kolakowski
Katharina Ursinus
as Luisa Brand
Kai Ivo Baulitz
as Martin Brand
Hans Peter Hallwachs
as Prof. Dr. Felix Gottwald
Roswitha Schreiner
as Gudrun Neubert
Christian Goebel
as Dr. Thorsten Fischer
Caroline Redl
as Sonja Böhmer
