The single Christine Arnold, who works with great success as a commercial lawyer in a Cologne law firm, is on her way to her old friend Judith, who is going through a very difficult phase of her life: recently she has parted company with her longtime friend Felix. They have a son, Marco, who is very attached to his loving father. Whenever possible, the boy spends time with his dad. However, Judith would like to see that Marco also develops a friendly relationship with her new life partner Georg.