On the first day of their divorce cooling-off period, Lu Zhengdong, Lin Banxia's estranged husband, suddenly experiences a bizarre glitch —his body begins uncontrollably switching between his adult and teenage forms. Forced into this absurd situation, Lin Banxia finds herself drawn into an unexpected chapter of their troubled relationship.
As the strange phenomenon continues, the two gradually let down the emotional defenses they have built around themselves. Beneath their strained marriage and unresolved conflicts lie two wounded hearts, each carrying pain they have never truly confronted.
Through this unexpected journey, Lu Zhengdong and Lin Banxia slowly rediscover the sincerity and affection that once brought them together. As they learn to face their past wounds and understand each other, they begin to heal and redeem one another through genuine love.
When the divorce cooling-off period finally ends, they are given one last chance to choose their future. Having shed their pretenses and rediscovered the love they once lost, Lu Zhengdong and Lin Banxia choose not to part ways, but to renew their marriage vows and begin their relationship anew.
