During a famine, Tian Xiuxiu transmigrates into a woman with the same name who suffers from binge-eating disorder. The original Tian Xiuxiu lives with her parents and her second uncle's family. With food running desperately low, her second uncle's family fears she will become a burden and actually tries to burn her alive. Just when things are at their most dangerous, Tian Xiuxiu arrives from another world and binds herself to a costume-changing system. The system allows her to wear outfits representing different identities and gain the abilities associated with each one. Determined to survive and give her family a better life, Tian Xiuxiu decides to rely on this extraordinary system to carve out a way to survive the famine.