Qin Zheng and Ming Zhu were once a beloved couple, but he wrongly believed she killed his sister Qin Wan and sent her to prison. Ten years later, they reunite, and Qin Zheng, full of hatred, keeps her close to torment her. As they interact, feelings resurface, and he begins to doubt the past while secretly investigating the truth. Conflicts arise with his brother Qin Tianyi, while Ming Zhu stays by his side. In the end, the truth is revealed, and Qin Zheng is left with deep regret, trying to win her back.
