Five years ago, Gu Beisheng, the eldest daughter of the Gu family, was framed by her sister Gu Xinyu, lost her virginity to a strange man, gave birth to a dead baby, had her shares taken away from her, and was imprisoned in a mental hospital. Five years later, she married into the wealthy Fu family on behalf of her younger sister, and started a contest with the second young master Fu Xizhou who was poisoned by a strange poison. While tracing the truth and the whereabouts of the child, she used medical skills to detoxify Fu Xizhou. However, on the way to revenge, she accidentally discovered that Fu Xizhou was inextricably linked to the mysterious man five years ago.
