Mai Shirosaki, a newlywed, has just moved to Neitori Town with her husband to start their new life together. But their happiness is soon disrupted by the attention of the local neighborhood association chairman, who sets his sights on Mai and seeks to establish a new relationship with her. What begins as marital conflict quickly escalates into a profound crisis of human relationships. Entangled in the sinister schemes of the chairman and his wife, Mai is drawn into a labyrinth of sex and desire. Confronted with this harsh reality, her husband is forced to reevaluate his own position and role. As a result, their relationship undergoes a radical transformation.