Forensic doctor Qin Huai suffered the death of her husband who cheated on her. In order to protect her daughter Qin Xiaoxiao, she had a fierce confrontation with her ex-parents who favored boys over girls. At work, she reunites with Ji Chuchen, an old school acquaintance who hides her identity and is an undertaker to the eldest son of the richest man. The two walk side by side because of their common professional beliefs and their original intention to protect children. Faced with multiple obstacles such as family prejudice, ex-wife's troubles, and custody battles, the two heroes work together to solve the case and heal the pain. With the help of their two daughters, they break through the shackles and move from contractual partners to a lifelong companionship.
