Young Yi has been working the night shift at a convenience store for three years, and her in-laws are not happy about it. Especially Eun Sook, her mother-in-law, wants her to focus on her daughter and house chores. Just before Young Yi is about to clock out, a man barges into the store and threatens her with a knife. Meanwhile, Kyung Jun comes back to Korea after five years, and his grandfather is thrilled to see him. (Source: Viu)