Two young crooks steal fabric, which is of course sorely missed. In addition to the former owners, an investigative journalist and a bad cop who smells a windfall are also on their trail. Meanwhile, a newly released con is forced by his ex's pimp to go back to the deepest depths. There he meets a former doctor who smuggles drugs for the mafia in order to send money to his daughter, whom he thinks is at home in Grozny, but who is actually working for the mafia just a few houses away.

The scatterbrained archivist of Cologne Cathedral is sent to Africa to retrieve the largest diamond in the world, on which the cathedral once rested and whose absence is now causing the foundations of the building to sink. In his wake, shady characters appear who are also after the precious stone. But there are also helpers who are well-disposed towards the adventurer against his will.

Arusha Ntarama lost everything in a massacre in Nyankunde, Congo. Her husband and two daughters died. Statehouse Commander Robert Makeni is to atone for Arusha's loss. She sets off for Berlin, where Makeni is received by the mayor in a hotel under a different name. Arusha wants to expose Makeni and take revenge. The junior manager of the hotel, Marco Held, becomes involved in the revenge plans and gets caught in the middle.