To hide her elite assassin past, a legendary fighter takes a job as a maid for a ruthless billionaire. He expects a clumsy servant, but gets a lethal protector who effortlessly takes down assassins while serving tea. As she uses her super-strength to shield him from deadly threats, the cold tycoon falls for the fierce woman beneath the uniform. But when her true identity is exposed, he must choose between his empire and the only woman powerful enough to destroy it. In a thrilling clash of secrets and passion, she proves she’s not just staff—she’s the boss.