Li Muzi helped her colleague Wang Ruoxue pay for plane tickets in advance, but the other party refused to pay back the debt and even spread rumors to smear her. Li Muzi fought back by refunding the tickets and discovered dark secrets behind Wang Ruoxue involving embezzlement, money laundering, and more. She teamed up with her best friend to investigate and gather evidence, matched wits with local boss Qian and parachute VP Zhou Jianming, and finally exposed the mastermind billionaire Zhao, secured the company's key project, and rose from a regular employee to the branch deputy general manager.