Chu Yuan moves like he's playing three games at once and losing all of them. Every decision bleeds into the next, every ally is half a traitor, and the imperial court doesn't care that he's eighteen and barely holding the throne together. The show treats political failure like a real cost, not a plot device.

Eighteen-year-old Chu Yuan becomes emperor of Chu State, and less than half a year into his reign civil strife breaks out in Yun Nan. The old guard at court, not all of one mind, waits to see how the new ruler will handle it. Before he can act, Duan Baiyue, the young king of Xinan, crushes the rebellion himself and is hailed by the people of Chu as a hero. Two years on, Xinan's power has grown and rumors say Duan Baiyue means to seize Chu. Chu Yuan, angry and unsure, remembers an old promise, and tension peaks when a visiting duke from Ahnu, an ally of Chu, turns up dead in the streets. Everyone assumes the emperor and the king are rivals, but that may not be so. The result is an adventure drama with a thread of mystery.