Jiang Yao, an undercover operative, infiltrates an underground auction to get close to warlord Yan Xuan but is unexpectedly "bought" by her estranged lover, Chi Yanzhou, who disappeared years ago after a tragic betrayal. Now a powerful figure consumed by revenge, Chi Yanzhou seeks to torment Jiang Yao while grappling with lingering feelings from their past. Caught between love and vengeance, their reunion reignites old wounds and unresolved emotions.