Lin Zheng works hard away from home year-round, dedicated to maintaining family life. Due to his busy work schedule, he did not carefully check the family's various income and expense accounts. During a temporary return home, he noticed suspicious activity in the family's cash flow, with some funds flowing into a business operated by his wife's relative. To get to the bottom of the matter, he set about collecting evidence, handling family financial disputes through formal legal channels, and safeguarding his legitimate rights and interests.