Su Yang'er, the distinguished legitimate daughter of the Prime Minister's Mansion, has been in love with her childhood sweetheart, her fiancé Chu Jinzhi, the third son of the Chu family. However, as fate would have it, she discovered that Chu Jinzhi had changed her mind and fell in love with someone else. This blow made Su Yang'er heartbroken and disheartened.
In despair, Su Yang'er had to make another choice. She set her sights on the eldest son of the Chu family, Chu Yizhi, who was the commander of the Jinyi Guards. He was famous and ruthless in his conduct. Although she knew the road ahead was unknown, for the sake of her family and herself, Su Yanger decided to face it bravely and join hands with Chu Yizhi to start a life journey full of unknowns and challenges.