Fiona Mehring is found dead in a beach bar—she has been poisoned. The first clue leads Mick and Andreas to the Essen branch of a corporate group that helps companies throughout Germany get rid of unwanted employees. The unscrupulous manager Rasmus Schweizer runs this company, where Fiona not only made a career for herself in a short time, but also apparently made some enemies...

Markus Rietz finds his wife Monika beaten to death in their home. For him, this is the second stroke of fate within a short period of time: just a few days earlier, his wife had been in a car accident in which their daughter Paula was seriously injured and is now in the hospital waiting for a new liver. At first, everything points to a robbery-murder, but then it turns out that the break-in was only staged. Markus Rietz increasingly becomes the focus of the investigation...