After Quan Muer is reborn, she avoids the schemes of her scumbag ex-boyfriend from her past life and mistakenly identifies Shi Huan as her fiancé, seeking his help. Shi Huan silently allows the misunderstanding and offers his support. Quan Muer resists the internal family conflicts, and her grandmother and the eldest branch of the family fail in their schemes. The scumbag ex-boyfriend becomes obsessed but fails to win Quan Muer's affection. At home, Quan Muer is oppressed by her grandmother but is protected by Shi Huan. After the misunderstanding is cleared up, their relationship grows even closer. The original fiancé intends to break off the engagement but later regrets it. Shi Huan, feeling jealous, arranges for the engagement to be annulled and directly seeks an imperial decree to marry Quan Muer. Quan Muer continues to struggle against the internal family conflicts, and after the misunderstandings are resolved and the truth is revealed, she faces dangers but ultimately remains safe.