Lin Wan, a 300-jin overweight girl, dies after being betrayed by her scumbag boyfriend. She binds the Supreme Charm System, gaining rebates on spending and the ability to slim down. She splurges wildly, transforming into the world’s richest person and the most stunning beauty. While getting revenge on her ex and outwitting the scheming girl, she falls in love with the system spirit Shen Qi. In the end, she gains both wealth and love.