Jiang Qingwu, the legitimate daughter of the Marquis's estate, mistakenly trusted the third prince Yan Lin, leading to the tragic destruction of her entire family. Reborn to the day of her betrothal, she wakes up and resolves to sever the misplaced affection. Yan Xiuchen, the Prince Regent who silently guarded her, suffers from a bizarre poison and is deeply trapped in layers of schemes. Jiang Qingwu resolves to protect him safely, reject the absurd marriage contract, and face the conspiracies head-on. Hand in hand, the two expose the layers of plots by Shen Wanrong and Yan Lin, stay true to their original hearts, and dispel the chaos of the world. Past sorrows transform into forward momentum; they trust each other, run towards each other in both directions, and head together toward a splendid future that belongs to them both.