One could almost believe, two fresh lovers would kiss here tenderly. In fact, Jan and Katja come straight from the divorce judge who finished what had started promisingly - a harmonious, fulfilled marriage and family life. The common house building was too much for their relationship. While a dream came true for Katja, the building was a pure torture for Jan. He escaped more and more and started an affair. When Katja comes after the infidelity, there is only one consequence for her: Divorce.

Mia and her partner Benny, along with Mia's sister, Alicia, will be in charge of solving some puzzling cases that are happening in their city Hamburg. Surrounded by ghosts and mysterious characters this group of friends, accompanied by other young people, follow their clues.