Frauke Claassen is certain that Torben set her car on fire, and the evidence also seems to point to him. Meanwhile, it becomes clear that Onno Wulf has been tampering with the card reader in Ina Grote's shop.

Harry, Henning, and Lothar find Onno Wulf's criminal record and warn Ina Grote. Harry finds out that Lothar is going to the training program, and confronts Dirk, who finds yet another excuse.

Henning and Harry visit Ina Grote's shop and meet a suspicious employee. Frauke Claassen requests that the security detail at her house be removed.

Lothar and Henning find there is a common link in the issues with their bank cards, while another scene erupts between Frauke Claassen, her daughter, and Torben Witt.

Politician Frauke Claassen comes to the station and it turns out that there is another coincidence related to the two protesters.

"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.

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.

"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.

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.