Born into a powerful billionaire family, Beili hides her ruthless nature behind the mask of a perfect heiress. Unable to understand love and desperate to escape her abusive fiancé and controlling family, she's secretly plotting murder. Then Nanxun, a debt-ridden underground fighter whose life Beili once saved, reappears with nothing left to lose. To survive, Nanxun willingly becomes Beili's loyal "guard dog," obeying her every command. What begins as a twisted game of manipulation soon turns into an obsession neither can escape. As betrayal, power, and desire collide, will they remain master and weapon—or become each other's only weakness?
