Shin Min Ah plays Sun Hae Young, who doesn't want to suffer. She didn't get her mother's love. She married her ex-boyfriend after cheating on her. She also couldn't enjoy benefits in the workplace because she was unmarried. She suffered a lot not only in her family, but also in her company and in love. In the end, she married Kim Ji Wook, a convenience store hourly worker. Kim Young Dae plays Kim Ji Wook, a civic policeman in the community and a righteous convenience store night shift hourly worker. He is an angel part-time worker who will not stand by and watch others when they need help. He meets the worst regular customer Sun Hae Young (Shin Min Ah) and accepts a strange proposal. They have changed from hourly workers and customers to strange couples in the company. What kind of romantic comedy chemistry will they show?