Karla and Egon are getting married, but before they leave for the church, a premarital argument breaks out because Egon does not want Karla's child, Bimmer, at the wedding. Mr. and Mrs. Clausen are also fighting, and Mrs. Clausen ends up not wanting to go to the wedding. Both Karla and Mrs. Clausen lock themselves in their bedrooms. Luckily, expect help is at hand to grant the prospective groom and Mr. Clausen access to their bedrooms.

There has been a rubbery at an insurance company and the police suspects Larsen. He is therefore taken to the police station. The same day, Clausen discovers a new parrot that he hasn't seen before in his store.

The peace in the attic apartment is disrupted when Tue and Rikke get into a fight. Peace is restored thanks to the calm and composed owner of Rottehullet, Emma.

Olsen's New Year's Eve is almost spoiled due to various issues and conflicts with his fellow tenants.

Larsen becomes famous and is feeling his identity slowly getting lost in the undesired fame.

Mr. Olsen gets twelve right on his betting ticket, but soon expectations prove to be better than the result.

Tue is studying for his final exams and the whole house at Christianshavn are under strict orders to be quiet.

Clausen's niece Lise is visiting and ends up spending time with Bo, who despite having a girlfriend, begins to fall for Lise. Bo and Lise have dinner that evening, and Lise reveals that she is pregnant. Clausen thinks that Bo is the father, but Lise tells him, that she has come to Copenhagen, in order to meet father, Jimmy.