A mother's devotion to her young son reaches extreme limits. To prioritize his exam studies, she goes as far as performing oral sex to relieve him, displaying an obsessive level of affection. Her actions escalate into madness, as she seduces her son's friend—his rival—in an attempt to sabotage him. When the son discovers his mother's behavior, he is consumed by intense jealousy and relentlessly demands sexual favors. Eventually, the mother yields to her son's desires, giving rise to an illicit relationship between mother and child.