In Hong Kong in the 1970s, people’s livelihood was suffering, and everyone was eager to develop. A Yan and A Miao were originally vegetable vendors in the market, and they were familiar with A Tian and Ada from the meat stall. The four of them joined together with Brother Peng who bought oranges to buy a Mark Six lottery, and they won the prize. . The four found out that Brother Peng, who was holding the lottery ticket, was missing, and later found him in a mental hospital, unconscious. The four suspected that Brother Peng wanted to swallow three million jackpots. Under questioning, Brother Peng said that the money was placed in a box of oranges. So the four of them tried their best to figure out the whereabouts of Peng's ten boxes of oranges. In the process, four There is suspicion among people. A pair of Ayan, Atian, and Amiao Ada were tit-for-tat, the dog bit the dog bone, and the gang of thieves peeped on the way. Finally, they finally found the prize money in the tenth box of oranges.