The original heroine in the novel is a lovesick fool who ultimately brings her family to ruin. After transmigrating into the book, Qi Zitong swears that she won't let anyone who protects and loves her suffer even the slightest harm. She breaks off her engagement to the scoundrel and uses her medical skills to cure Prince Rui, a volatile villain, of his poison. Prince Rui protects her and devotes himself to her. With the court caught in a treacherous struggle, the truth remains hidden, but Qi Zitong uses what she knows to help Prince Rui break through the deadlock. The realm's boundless beauty pales beside his wife's slightest smile.
