Gu Ye went to Guancheng alone to work, but ended up being dumped by his girlfriend because he had no money. When driven to a desperate impasse, Gu Ye met three delinquent young girls who could not afford rent, and unexpectedly activated the "Emotion Rebate System". As long as he spends money, he can receive random multiplier cash rebates based on the other person's emotional fluctuations. Thus, Gu Ye takes care of the rent, treats them to meals, helps the delinquent young girls improve their lives, and resolves various troubles they encounter. Both parties treat each other with sincerity, trust one another, and heal each other. In a warm atmosphere, Gu Ye slowly accumulates capital and opens up his own counterattack life.