Lin Mo, who was laid off and broke up, triggered the "karma wealth system" on a rainy night - spending money on others can actually get a hundredfold cash back! Starting from paying the rent for his girlfriend who he shared a house with, he invested in cafes, recruited hacker geniuses, and met wealthy daughters... Every goodwill expenditure caused huge waves in the urban jungle. When the money game reaches the top table, the ultimate cause and effect behind the system quietly emerges... This is an urban legend in which wealth is used to rewrite destiny and miracles are controlled with sincerity.