Gu Chuan works hard in the company, but his reimbursements are often rejected by the financial director Zhou Lin. When the year-end bonus arrived, half a million turned into five million. When Zhou Lin found out, she called Gu Chuan to suggest that he should return it. Gu Chuan recalled the injustice in the past and decided to keep the money. He collected evidence of financial irregularities and made it public, which shocked the company. He eventually successfully promoted financial system reform and was promoted to chief financial officer.