Xu Zhixia, an office worker, agrees to bring lunch for a coworker for three months and sets the payment rules in advance. However, she repeatedly faces last-minute changes and broken promises from her colleagues. Jiang Lin takes advantage of the conflict to stir up public opinion, portraying a disagreement over meals as a lack of team spirit in an attempt to win the position of project lead for a new product. During a major promotional livestream, a sudden catering crisis breaks out, and Jiang Lin conceals procurement risks. Adhering to her professional principles, Xu Zhixia prepares a comprehensive emergency plan and presents all the evidence, exposing the truth behind her rival's deception and securing the project lead position through her own abilities.