Chu Ci, a modern-day programmer, transmigrates into the body of the useless Fifth Prince of Great Chu. Framed by his enemies and falsely accused of defiling the Princess of Canghai, he is demoted and exiled to the harsh, dangerous northern lands of Beiming. With no cheat abilities to rely on, he uses his modern knowledge to trade weapons for slaves and leads five thousand death-row convicts northward. Ruthless and decisive, he conquers new territories through blood and iron, carving out his own kingdom while surrounded by enemies on all sides. He has no interest in fighting for the imperial throne. All he wants is to protect her and keep her safe for the rest of her life.