Chief Inspector Thiel and Professor Boerne seem overqualified: the dead Sabine Schmidt is completely intact on the outside, she was popular with everyone, and the facility exudes a harmless cosiness. But how did the two dead squirrels come about right next to her, who apparently died at the same time?

Not only does Thiel find that strange, the other tenants of the facility also seem to be hiding something. And so, together with his assistant Mirko Schrader, he takes on, among other things, Sabine's brittle neighbor Klaus Karger, who has a very special relationship with his plot. The historian Ulrich Winer shows a noticeable interest in Thiel's investigations, while his wife Vera thinks it's all a waste of time. While the professor in forensic medicine was still puzzling over the exact cause of death, his plant-savvy assistant Silke Haller noticed another irregularity in Sabine's plot, which led the team to investigate of international significance...