Young Jae is an aspiring webtoon writer. He works part-time at a convenience store during the day. Young Jae has been unable to sleep for 1 year.Yoo Jung is unemployed. She has been unable to sleep for 2 years. Young Jae and Yoo Jung live in the same neighborhood and they happen to meet. Due to their insomnia, they have similar routines and meet often. They become attracted to each other.

Ji Won plays third base for his high school baseball team. His life revolves around baseball, but he has difficulty in getting extra-base hits due to his physical condition. He has anxiety about not being able to play professionally.

The story of a 26-year-old woman, the decline of her health, and her relationship with her hair as it falls out.