Mu Qingge is smart, beautiful and brave. She was a female general who was framed and died unjustly. The enemy sealed her in a ruined temple for fear that she would turn into a ghost and take revenge. By chance, she met Yunlan, the legitimate daughter of the minister's palace who was persecuted by her stepmother and step-sister. She swore an oath with her blood and sacrificed her soul in exchange for Mu Qingge's rebirth and asked her to avenge her. Mu Qingge was able to After being reborn in her body to avenge her, and after getting rid of her stepmother and step-sister, she and her old lover Yan Wang Xiao Chengyan in her previous life uncovered the mystery and jointly investigated the case. They also found clues from the people involved in the case to find out the truth about her death, and worked together to find out the real culprit behind her death and clear the Mu family's innocence.
Xiao Chengyan, the sixth prince of Dajing Kingdom, was handsome and affectionate. He never forgot Mu Qingge. He had been secretly investigating and preparing to help Mu Qingge overturn the case. When he came into contact with his former lover, who was transformed into Yunlan, he was once again moved by her character. He once thought that he was in love with someone else. After going through life and death, he finally recognized his former lover and vowed to protect her with his life and never let her leave him again.
