Xie Fei, the salesperson of the jewelry store, has saved his personal diamonds for many years. He intended to sell them for marriage with his girlfriend Tingting, but unfortunately he was robbed. Tingting's father canceled the marriage after knowing it. Xie's friend Sheng often borrows money from Xie, and the owner of the jewelry store is his uncle. Due to a debt of high interest, both of them were in trouble. One day, they accidentally found that someone wanted to rob jewelry. It turned out that the boss and the insurance broker conspired to defraud 70% of the insurance money. This money was originally due to Xie. Xie was furious and set up a plan to end the bet.