It tells the story of the heroine Su Wan, who after five years of marriage, cheating and divorce, in order to fight for the custody of her children and prove her self-worth, she anonymously entered the top law firm where her ex-husband Lu Chen worked as an administrative assistant. She started from the bottom, using her delicate insight into the world of people and the resilience given by life, unexpectedly showed her amazing talent in handling the tedious logistics of the law firm and difficult clients, and gradually came into contact with and participated in the auxiliary work of cases. Lu Chen initially despised her and tried to suppress her, but during work collisions and crisis incidents, he was forced to re-recognize this ex-wife who was both familiar and unfamiliar. Su Wan upgraded her skills in fighting monsters in the workplace, made allies, and fought against injustice. In the end, she not only fought back against her ex-husband and a third party both inside and outside the court, but also found herself and started her own career chapter. After Lu Chen lost her, he gradually saw his true heart and the essence of life, and began the difficult journey of chasing his wife.
