Zhen Wuyuan’s twin sister Zhen Huayi used a weight-transfer system to drain her fat in her past life. Tormented by bullying and rejection, she starved herself to death. Reborn, she makes her sister bind a reversed system that makes her thinner the more she eats. Zhen Wuyuan loses weight healthily, makes a stunning comeback with friends’ support and gains huge popularity. Meanwhile, Zhen Huayi wastes away mentally and physically. Her repeated schemes backfire and reveal her true nature, waking their family up. Gravely ill and mentally broken, Zhen Huayi dies by suicide. Zhen Wuyuan leaves her trauma behind, moves to Shanghai to become a sports model, finds freedom and makes peace with her past.