An accident separated the Kwan brothers and sisters who were originally in love.
Guan Le traveled through time to the princess Mu Yue who was also in love with the emperor's brother.
Guan Le, who wanted to go back, learned the way to go back - kill Mu Xun
Mu Xun, whose voice and appearance are exactly the same as Guan Xun's, puts Guan Le in a dilemma...