After dying on duty, airport security officer Samanthan transmigrates into a novel as the 200-pound, ridiculed wife of the male lead, Louis, with a five-year-old son, Aaron, deemed "simple." Armed with a Weight Loss System, she is determined to change her fate. She soon discovers Aaron possesses prophetic powers and can see people's true nationality. When the boy exposes "Aunt Lillian is from Wo State," Samanthan storms into a banquet on her motorcycle to confront her distant husband. Her legendary revenge now begins.