The heroine Jing Jing, who was entangled by fate, ended a life transaction in her previous life. She wanted to die peacefully but was reborn in another world. She traveled through time and became the most beautiful woman in the Heng Kingdom who married the emperor's old man on the road to marriage. Facing the cold and cold man Dongfang Yan who is about to become his 'son', facing the lazy and charming Le Shantian who is an unknown relative snatcher, and facing the conspiracy and exploitation of his gentle brother Heng Zhang. The heroine pretends to be stupid and plays tricks on the outside, setting up a series of tricks to win her freedom, but she doesn't know that she is deeply in love. The heroine and him, who are in love with each other while laughing and scolding, are "a pair for life."