"Großstadtrevier" is a series about a police station in Hamburg. This episode begins with rioters being brought in for questioning, one of whom knows Nicki.

Lena tries to get out of East Germany to see her dying sister and comfort her niece.

Dirk and Lothar are able to trap the second culprit. Later, Dirk learns that things are looking up for both Hilde and her brother.

Hilde tries to convince Dirk that her brother has been tainting the meat in their shop, but Dirk is too clever. Meanwhile, there's a break-in, but not at Katja's or Lothar's.

Dirk sits down to dinner with his old friend Hilde, while Lothar and Katja stake out a dinner for singles.

The team has a briefing to discuss how they will proceed with the two cases that have yet to be solved. Dirk learns more about Hilde's past.

Hilde and her brother speak tensely about the future of their store. Meanwhile, Nicki comes up with a very humorous trick to discourage Marvin from taking his police escort to school.

Dirk goes to the butcher's shop to speak with his old friend Hilde about contaminated meat. Shortly after, Harry and Henning also stop by the store to speak with Hilde's brother, who was at the speed dating event.

The real bank robbers are caught and now it is time to find the other half a million euros. Luckily, Paschke has a hunch where it has ended up, and is able to help the police catch the other thief in time and have a merry Christmas.

"Halis" and "Kladi" attend a speed-dating event to look for the burglar. Meanwhile, the arrest made by Ben and Katja seems to have made quite an impression on the local youth.

Dirk plays a trick on Marvin so that he'll go to school on his own. Meanwhile, another robbery is reported by a woman from the speed-dating event.

Wolfgang runs to the house, but is arrested at the door. Meanwhile, there is a suspicious traffic jam in town and Frau Kringel seems to be very pleased with herself.

Paschke escapes the burglars once more and goes back to Ms. Kringel, who has counted the money and found that there is only half of the amount the bank manager claimed had been stolen.

While the bank robbers are chasing down every Santa Claus they see, Wolfgang Paschke seems to be developing a plan.

Harry and Henning find that all three of their victims were at singles events when the burglaries occurred. Dirk gets a strange visit regarding a person from his past.