The fictitious town of Werlesiel is a tranquil spot on the Friesian coast. But the idyll is broken when a young woman disappears in a dense sea fog after a night out partying. Femke Folkmer, local police chief, does not believe that this is a regular missing persons case and starts looking into it. Soon after, Tjark Wolf arrives from the criminal investigation division (CID) in Wilhelmshaven to in..

Femke's and Tjark's colleague Ceylan Özer is seriously injured while working a drugs case for the CID in Wilhelmshaven; her life hangs in the balance. Determined to catch the smugglers, Femke and Tjark chase down every lead and soon realize that in truth, a much bigger crime is underway here. An unprepossessing warehouse worker is planning a major reckoning and will stop at nothing. B..

East Friesian Coast: A ghost ship is found adrift on the North Sea, a yacht with one dead body and one survivor on board, who is not speaking. Another mysterious case for Femke Folkmer and Tjark Wolf. The dead man was a banker who was complicit in shady dealings involving an offshore wind farm. The survivor from the yacht appears to be a prostitute and therefore just collateral damage. However, wh..

A truck traveling at full speed is the target of a daring robbery. For a while now, Friesland has been rocked by a series of mysterious heists on transporters. The team around Femke, Tjark and Ceylan is hot on the heels of the thieves, working closely with their colleague Rena Fehmerling from the autobahn police. When a shepherd witnesses the latest robbery and decides to take the loot for himself..

In the idyllic seaside village of Werlesiel, paraglider Willem Leefmann is found dead in the dunes. During the investigation, it transpires that there is no shortage of people who have motive for his murder. Sabine Eriksen, a psychologically unstable woman who is largely shunned by the rest of the community, quickly becomes a person of interest in the case. The detectives discover a dark secret bu..