The world's greatest doctor fell off the cliff and died. This results in his daughter, Xu Youran, to seek out refugee with Prince Rui. Unexpectedly, on the way, Youran was betrayed by her maid which resulted in her loss of memory. Her maid took that opportunity to assume Youran's identity and attempted to marry into the Prince's family. No one expected that the soul of the infamous poison, Yue Qianqiu, was reincarnated into Xu Youran's body. Now that she is reborn, how will she, with her once notorious reputation, live out this life?