Office employee Shen Zhiwei is in charge of the company's large entertainment account. Colleague Lin Yan, competing for team leader, teams up with supervisor Zhao Qiming to ostentatiously treat all twenty-eight colleagues in the company, intending to misappropriate the company account to foot the bill and win people over. Shen Zhiwei detects the conspiracy in advance, setting a payment password to retain evidence. When settling the bill at the dinner, the conspiracy is exposed, and the two forge approvals, split projects, and make irregular shipments to frame Shen Zhiwei. Facing the trap, Shen Zhiwei step by step gathers evidence to hold the bottom line and resolves the client crisis. Ultimately, the conspiracy is thoroughly investigated, the villains reap what they sow, and Shen Zhiwei is promoted to project manager based on strength.