In a decaying mansion on the outskirts of the city, the eccentric Merrye family lives in isolation, harboring a dark secret. As the unusual whims of its residents begin to surface, it becomes clear that the strange connection they have with their lineage has left indelible marks. Among its members are Virginia, a young woman trapped in a childlike state, and her two brothers, driven by a bizarre strain of madness that leads them to violent and macabre behavior. The family, ensnared in their own world of insanity, faces the arrival of two men: a lawyer and his assistant, who come to the mansion with plans to claim the Merrye inheritance.
However, what begins as a simple legal matter soon turns into a nightmare, as the brothers start to reveal their true colors. With escalating tension and dark humor that ranges from the macabre to the absurdly hilarious, the outsiders must navigate an environment full of deadly traps and many surprises. Meanwhile, the Merryes defend their home with a mix of innocence and danger, betraying any expectations the newcomers might have had. In this dark comedy of horror, madness and death dance hand in hand, turning the stay in the mansion into a deadly game where no one is truly safe, and familial bonds become the greatest threat.