In a secluded Italian villa, a dysfunctional family struggles with mental illness and moral decay. Augusto, the eldest sibling, is the only one considered sane and bears the responsibility of providing for the family. His mother is blind, and his three siblings suffer from severe psychological issues. Particularly concerning is his younger brother Alessandro, who harbors bizarre and homicidal tendencies. Alessandro's growing resentment towards his family's burdensome existence leads him to dark and twisted thoughts, provoking a sense of doom that hangs over the household.

As the story unfolds, Alessandro's increasingly erratic behavior threatens to tear the family apart. His sister Giulia becomes a reluctant accomplice in his disturbing plans, torn between loyalty and fear. Tensions rise as Augusto contemplates marrying his girlfriend and escaping the oppressive environment, leaving his mentally unstable siblings behind. Alessandro's obsession with liberating his family from their misery escalates, setting off a chain of shocking events that challenge familial bonds and moral boundaries. The narrative delves into themes of responsibility, freedom, and the grim reality of existing on the fringes of society.