Lu Yao and Ma Li, two sworn brothers from many years ago, ventured into the city to make a living. They experienced fights and earned money through their law-abiding behavior and hard work. But they committed a crime against their partnersThe common problem is that when starting a business and working hard, one can unite against the enemy, but when achieving results and maintaining one's position, conflicts become apparent. In the end, the two parted ways unhappily. Thirty years later, when two wealthy elderly people meet, they will possess the composure and sophistication that the elderly should possessNo more, only childish struggles at the tip of the horn. The last sorry to each other has brought us thirty years closer.