In the 17th year of Yongchang of the Dayin Dynasty, the third prince Xiao Huaijin started the road to seize the throne with twenty years of careful planning in the desperate situation of his eldest brother being poisoned and his father seriously ill. From secretly cultivating rebels to instigating rebellion against important ministers, from resolving the crisis in the north to exposing the Queen Mother's shocking conspiracy to tamper with imperial edicts, he worked step by step in the whirlpool of power. However, when the truth is revealed, his former allies actually hide their secrets, and there is bloodshed in the court. In the end, he must make a choice between his country and his conscience.
