2 cousins, irreversibly damaged by a chilhood prank, reunite 20 years later to renovate a medieval castle in Eastern Europe. In an environment of extreme paranoïa, cut off from yhe outside world, the men reenact the signal event in their youth, with even more catastrophic results. And as the full horror of their predicament unfolds, a prisoner, in jail for an unnamed crime, recounts an unforgettable story that seamlessly brings the crimes of the past and present into piercing relation