Lin Chen, a college student, and Su Wan, a convenience store clerk, mistakenly entered the never-dark "Yonghui Supermarket" and found the "Employee Code" on the shelves: ① Please make sure there is always music in the store; ② Colleagues wearing red work clothes cannot be trusted; ③ If black water leaks from the freezer, eat the ham on the shelf immediately. When they struggled to adapt to rules such as "the weighing platform cannot display 13.14Kg" and "the cash register only accepts coins from 1996", a more terrifying truth emerged - all the rules were lies, and the former employee who wrote the rules was blinking at them from the body bag that automatically replenished the goods every day...