Gu Man Qing has been dependent on her sister, who was a dancer since she was a child, but she never thought that on her big wedding day, she would be witnessing Lu Yi Chuan, her future husband, murdering her only family. After trying to take revenge on the spot and failing, Man Qing decide to run. But even after starting her new, happy life, Man Qing still can't forget the faithful night, and she's plotting a revenge plan. Her first step to do so is taking a new identity and becoming a stepmother to her past lover. But the woman discovers a seemingly simple plan, and her sister's death has more mysteries than she thought.