Ye Xi, a kind-hearted and good-natured girl, aspires to become a pugilistic hero of her generation. Ye Xi whole-heartedly helps the weak but does not understand the sinister side of the human heart. She is used by, lied to, and betrayed by the people she trusts; causing her reputation to be tarnished and her life almost taken. However, despite these repeated blows, Ye Xi does not forget her original intention and believes that justice naturally inhabits man's heart. She sets out to investigate the truth and prove her innocence. During her journey, she meets divine doctor Bai Yue, who silently protects her and goes through life-and-death with her.