Sakura Miyaji lives an ordinary life as a housewife—until her past suddenly resurfaces. Her senior from school, with whom she once shared an abnormal relationship, reappears and awakens long-buried desires. While she remains the dutiful wife in front of her husband, she transforms into a completely different woman before her senior. Unfulfilled emotions begin to grow within her marriage, slowly deepening into something uncontrollable. One day, her husband discovers the truth about Sakura and her senior. Will their affair lead to his rage and the destruction of their family, or evolve into something new? Centered on the theme of "ultimate scat love," this drama explores the depths and contradictions of human relationships. Delving deep into Sakura's psyche, it delivers a shocking narrative that challenges the very nature of love.