Lu Yuan spends his own money to purchase a legally owned parking space, only to find that Lin Tiantian and her boyfriend have been occupying it for years without paying a cent. They even demand compensation and go so far as to block his way and cause a scene. Despite pressure from multiple parties, online misrepresentations, and disruptions to his work, Lu Yuan refuses to compromise. Calmly preserving evidence, he files a complaint with the property management company's headquarters in accordance with the rules, prompting a fact-checking investigation that clarifies responsibility. He stands firm on his principles and defends his lawful rights and interests, ensuring that everything ultimately returns to rules and order.