Top heart surgeon Clara quietly steps back from her marriage, only to face cold treatment from her brain neurosurgeon husband Ethan and provocations from her first love. During the 30-day divorce cooling-off period, Clara secretly treats her first love and, after using up all the paper stars symbolizing forgiveness, decisively divorces him. When Ethan discovers his ex-wife’s true identity, he goes crazy trying to win her back, while her first love falls from grace due to a scandal and even attempts to shoot Clara. Ethan begs to reconcile after being shot, but Clara ruthlessly crushes the stars and abandons him forever.
