A heated debate is raging between environmentalists and villa owners over free access to the lake shores. The dedicated politician Moritz Kienast is committed to a rigorous solution, despite facing hostility - until he suddenly disappears. Shortly thereafter, prosecutor Regina Flint is called to a remote forest cabin, where she finds an unidentifiable corpse - charred and impaled. Could this be the missing politician? There is no shortage of speculation; the relentless "Motz-Moritz" has stepped on the toes of more than one influential opponent throughout his career. The prosecutor's investigations soon lead her to abysses that have nothing to do with "human.".