In the dangerous game of imperial power, Chu Yuan navigates each move with paralyzing anxiety—one wrong decision shatters everything. Crowned at eighteen, he barely consolidates authority before Yun Nan descends into chaos. The imperial court watches, waiting to judge how their young sovereign will respond. But salvation arrives from an unexpected source. The King of Xi Nan, Duan Bai Yue, mobilizes his formidable forces with stunning efficiency, crushing the rebellion across mountains and plains. Within months, the uprising collapses. Order returns. Yet a deeper question burns between them. Moonlight shadows the palace as Chu Yuan drafts a secret letter—an urgent message traveling 800 miles, carrying a desperate inquiry: what must he surrender in exchange? His brush marks sear the paper. Every stroke radiates the barely contained fury of a young ruler bound by helplessness. Duan Bai Yue spreads the parchment open without hurrying. He offers only a single response. You.