The forester Johann only wants to warn his ex-wife Sophia: in the village, people are hostile to their "body farm", a forensic research facility in the neighboring forest, to say the least. In the midsummer heat, the smell of decay from the corpses lying around is a nuisance throughout the area. But as soon as he arrives at the site, Johann realizes that the villagers are probably the least of his problems: a fast-growing slime mould has infested the corpses - and is apparently able to breathe n...