the youngest son of the guo family was born, and his two brothers loved him very much. however, in an accident, the eldest son accidentally killed his neighbor, so he faced the end of being sent to jail. after being released from prison, the boss's situation did not improve much and he had been living in confusion. in the end, he decided to go to inner mongolia to find himself. the second brother started his business by selling vegetables, and then set up a mutton stall. he was interested in any business that could make money, but he was inexperienced and had no brains but always suffered losses in money. the third brother entered university for higher education, entered the stock market after graduation, and quickly got on track under the guidance of his master, and his business got better and better. the fourth brother had congenital defects, but did not be discouraged or give up. instead, he continued to work hard to break through himself and finally found the value of life.