Gu Qiming, the boss of the Gu family, borrowed money from the casino due to business failure. Since he was unable to repay it, he approached the gang boss Lin Moyu to borrow money. The gang boss Lin Moyu asked the Gu family's eldest daughter Gu Yuxuan to pay off the debt. Gu Qiming agreed and ran away with his eldest daughter Gu Yuxuan, leaving his younger sister Gu Nuonuo to pay off the debt. After Gu Nuonuo was caught by Lin Moyu, he made a bet with Lin Moyu so that his sister would not be caught as his mistress in the future...
