As spring examination season stirs the winds, dark currents surge beneath the capital. A gifted scholar of the Imperial Academy falls into an endless sleep for no reason, several youths vanish without a trace, and only vague, eerie rumors linger in the streets. Inspector Shen Yan, joined by coroner Su Wan, enters the case—yet every clue breaks off. In the open, the court suppresses and frames; in the shadows, assassins wait to strike. A secret tangled with love, obsession, and the lust for power slowly emerges from behind the layered curtains of the Xiyun Villa. As the maze of mysteries is peeled away, guilt is finally reckoned—but some wounds, once inflicted, can never be undone. They say justice shines bright as the sun and sky—but at what cost?