Xie Anran, a renowned 21st-century physician, is a brilliant young doctor. One day, just after completing a craniotomy on a child, a sudden earthquake strikes, claiming her life. But who would have thought that when she wakes up again, she has traveled back to ancient times? As she opens her eyes, she finds a man bathing right in front of her. Thinking she must be dreaming, she reaches out to touch him, only for the man to grab her and accuse her of having no shame. As it turns out, the man before her is the eldest prince of the dynasty. His one true love is his former sweetheart, Xia Yingying. Although he agreed to marry the original owner of Xie Anran's body, he continues to maintain an entangled relationship with his former flame. Furious, the newly transmigrated Xie Anran wastes no time in agreeing to break off the engagement.