Fayne Carter wakes up as a despised live-in son-in-law, constantly humiliated by his cheating wife and her lover. Just when he's about to snap, he unlocks a game-changing system: spend on his "wife" and get 10x cash back. But Fayne quickly discovers a loophole—any married woman qualifies. From his mother-in-law to his rival's wife, he starts spoiling them all, stacking millions while turning the tables on everyone who once looked down on him.