Wen Sui accidentally traveled to a wealthy family in the Republic of China and was reborn as a young mistress who had just married into the Ning family. She carried the memories of her two lives step by step to avoid the death of the family in her previous life. Zhu Cong, who looks gentle but is actually sinister, always stays by her side like a loyal dog. The two work together to clear out the monsters in the wealthy family and maintain their own stable world in the turbulent Republic of China.
