When a night shift clerk at a midnight convenience store encounters "weird rules" that should not exist in this world, his first reaction is to negotiate terms.
Shen Ye, a former emergency doctor and now a night owl in a convenience store, unexpectedly acquired a power called "Equivalent Replacement": exchanging memory for immunity, exchanging emotion for tampering, and exchanging lifespan for protection. He thought this was a chance for redemption, but found out it was just a bigger trap.