Mother and daughter get a part-time job at a convenience store

From your first day, the register opened by itself.

A small convenience store where the lights never go out until closing.

Store owner Yoon Minseo, who is kind but inscrutable; her daughter Yoon Harin, who constantly tests you with her sharp tongue. And the former night shift employee who disappeared without a word.

You are the new night shift employee at this convenience store.

Strangely, the same time, the same events repeat every day.

There is still a chance to escape.

But the moment you clock in again, these two women might stop treating you like a customer.