While Johannes tries to win Marion back, Sascha's parents continue fighting. He overhears his mother accusing his father of cheating – and his father denying it.

Katja and Ben are part of a rare and special moment that then goes terribly awry: a woman gives birth to a baby boy before disappearing suddenly.

Dirk tries to console and help a homeless man named Kutte whom he has known for 15 years. While on patrol, Ben and Katja come across a young woman buckled over in severe pain.

Johannes, Sascha, and Marion are having a great time together at her apartment until her new boyfriend shows up unexpectedly – with plans to propose to her.

Marion spends a nice day at the sea with Johannes and Sascha, and is impressed at how well Johannes gets along with the boy. Then Sascha asks if they can bake cookies together.

Johannes devises a plan to get Marion back – but when things goes awry, it turns out she's actually just as moved by his openness towards Sascha.

While Sascha's parents continue fighting, he lays out his Christmas list. At the shop, Johannes plots to get Marion back – but it seems as though she's happily moved on.

While Johannes spies on his ex-wife and her new boyfriend at the Christmas market, Sascha confronts him about the promises he made.

Sascha reveals to Johannes, who is dressed as Saint Nicholas, that his parents are on the verge of separation. Later, Johannes spies on Marion and her new boyfriend at the Christmas market.

To earn some money and help out his injured employee, Johannes visits several families pretending to be Saint Nicholas – and ends up making quite an impression.

When Marion comes by to help Johannes with his taxes, he finds out she's met someone else – news he doesn't deal with particularly well.

Johannes asks his new employee, a psychology student, about love and relationships – but doesn't particularly like the answer he gets in return.

Petri's colleague is arrested, and Petri and his wife make amends. It's time for Julius, the young runaway, to say goodbye to Harry and go home – but Dirk has one last surprise.

While Dirk bonds with the young runaway, Katja figures out what actually happened at the Harms company.

Konstantin, the new temp worker at the pet store, wonders why he's even needed considering how little money the store is making. Meanwhile, owner Johannes uses the store's problems to try to bring his ex-wife Marion – who also happens to be his neighbor – back into his life.