Yves' upbringing is heavily influenced by his alluring blonde aunt, whose tumultuous love life shapes his understanding of desire. As he grapples with his burgeoning sexuality, he becomes a voyeur, quietly observing her passionate affairs. The situation takes a dark turn when he witnesses her brutal murder at the hands of her violent husband. This traumatic event deeply scars Yves, ultimately transforming him into a killer driven by a twisted obsession with sex and revenge, as he navigates the complexities of his darkened psyche in adulthood.