Mu Xiaoling was a girl who was sent to grow up in a remote mountain village. There, she met her master and unexpectedly became the first disciple to receive the transmission of the renowned "Wuji Divine Doctor". After reaching adulthood, she was brought back by the Mu family for the purpose of arranging a marriage alliance. She had to marry Lu Muyan, who was weak and ill, and was diagnosed as having a short life expectancy of only one year. The story unfolds from this point.