A sudden car accident changes the character of Mi You, the cowardly and forbearing second daughter-in-law of the pharmaceutical giant Qizhong Group.Later she discovered that the car accident she encountered was not an accident.At the same time, Qizhong Group's new CFO Han Yicheng is secretly investigating the group's illegal drug testing many years ago.

Therefore, after the divorce, Mi You and Han Yicheng teamed up to investigate the truth behind the scenes. The two uncovered the truth and discovered that Mi You's car accident and the illegal drug testing of the group investigated by Han Yicheng were all related to the suicide of Mi You's mother Xiang Jin.Facing a powerful opponent, the two supported each other, cherished each other, and had a tacit understanding of each other. In the end, they worked together to bring the mastermind behind the scenes to justice.