An accident sends Xiao Mu to another world, where he transmigrates to the Kingdom of Jing and is reborn in the body of the Sixth Prince, who died after falling from a horse. Before the cause of the fall can even be determined, rumors spread that the Sixth Prince was born rebellious and intends to usurp the throne.
A son of a concubine, Xiao Mu has no interest in the throne. He only wants to be an idle prince. But try as he might to keep out of trouble, he is forced into the struggle for succession. His mother is caught up in it and dies with regrets.
His mother's death hits Xiao Mu like a blow to the head. At last, he realizes that only by rebelling and becoming emperor can he take control of his own fate...