Elder Chairman Shen Guodong discovers that the company cafeteria's 5-yuan employee meal has quietly shrunk. Playing the pig to eat the tiger, he tracks down the truth all the way. Administrative director Gao Mingyuan, conspiring with his mother Wang Xiulan to resell employee meals, colludes with supplier Boss Zhang to falsely report purchases and skim procurement price differences. Calmly laying out his layout to gather evidence, Shen Guodong step by step forces out the evidence chain, and finally showdowns at the all-staff meeting.