In a small German town, the only daughter of a retired businessman disappears. A player hired to investigate the case finds a seemingly abandoned laboratory. Exploring room after room, the player discovers evidence of experiments carried out in the place, notebooks of employees and test subjects.

It becomes clear that the infamous Nazi doctor Mengele conducted the inhuman experiments here using psychedelic substances and sadomasochistic practices. Moving deeper, the hero understands that despite the apparent abandonment, the laboratory is still active and the experiment continues: Olga (the kidnapped girl) and the player themself are in fact the active subjects of the evil occult ritual that is merging the infernal plane with our world, causing bizarre sets where one can not distinguish hallucinations from reality…