Ru Xilian is a young girl in her prime, but she is unlucky enough to be predicted by her friend and fortune teller Youlin that there will be a catastrophe. She must meet her true destiny to eliminate the disaster and turn it into good fortune. However, her true destiny turns out to be Xiyu, who is as perfect as an angel. He is handsome and gentle, with a hint of indifference in his gentleness. She has become the R of the "Master and Servant Game" and has to accept a series of "Master and Servant Laws"...