Full-time housewife Mao lives a quiet life in her apartment, but everything changes when a handsome college student moves in next door. Their initial interactions are limited to simple greetings, but over time, Mao finds herself developing deeper feelings for him. Unable to resist her growing attraction, she eventually embarks on an affair. Her relationship with him evolves into something far more intense than a mere romance. An unexpected turn of events brings thrilling excitement and transformation into Mao's life.