Summary of the story: Su Wanyue was exploited by the third prince Xiao Chengyu and Concubine Liu in her previous life, which led to the destruction of the family and her tragic death in the cold palace. Reborn as fifteen years old, she lost her foolishness and vowed to protect her family. Faced with Xiao Chengyu's hypocrisy and Concubine Liu's sinister plot, she teamed up with the gentle and wise prince Xiao Chengning, and relied on the talents of her childhood sweetheart Shen Yanzhi to reveal step by step the conspiracy between Di Rong and the third prince. In the process of protecting the family, she discovered a hidden connection with Xiao Chengning's jade pendant, and used her wisdom to solve the crisis of Wolfsbane. She grew from a delicate and wild daughter to a calm guardian. She turned the tide in the turmoil of conspiracy and rewrote the fate of the family. She only hopes that the years will last forever and her family will be safe.
Protagonist:
- Su Wanyue: The legitimate daughter of the Hou family. After being reborn, she broke away from her love affair. She is smart and courageous. She fights against conspiracies with wisdom and wholeheartedly protects the peace of the family.
- Xiao Chengning: The prince has the world in his heart, and he has a gentle and sharp edge. Because of the jade pendant, he helped Su Wanyue, and secretly developed feelings for him.
- Xiao Chengyu: The third prince is ambitious, colludes with Di Rong, does whatever it takes to gain power, and regards the Su Wanyue family as a stepping stone.
- Shen Yanzhi: Su Wanyue's childhood sweetheart, talented and ambitious, helps her find clues, solve puzzles, and protects her silently.
- Su Huaijin: Su's father, a general of the Xuanjia Army, was loyal, brave, patriotic, and valued the honor of the family. Later, he became alert to the crisis due to his daughter's change.
- Lin Ruoxue: Mother Su, with superb medical skills and deep love, shared the hardships with her daughter after noticing her changes.
