The Great Yan dynasty is an alternate era in which aristocratic clans stand alongside imperial power. Bastard sons are treated like blades of grass, and the divide between legitimate and illegitimate heirs is an uncrossable chasm. Shen Ning, the third bastard son of Prince Jing’s household, is framed for treason by his legitimate elder brother Shen Hong and Qin Mo, the chancellor’s son, on his sixteenth birthday. He is about to be exiled three thousand li away.