The story follows the amnesiac protagonist Wu Liuqi, who originally lived a carefree life as a low-tier hairstylist and bounty hunter on Xiaoji Island. However, as powerful factions from the Xuanwu Kingdom land on the shores tracking his forgotten history as an elite shadow assassin, his peaceful sanctuary is completely shattered. To safeguard his quirky friends and his adoptive home, Seven decides to journey straight into the heart of the Xuanwu Kingdom to face his dark destiny head-on, triggering a chain reaction that forces hidden operators, rival assassins, and estranged allies into an all-out clash for survival.