The story of two men and two women, of entirely different tastes, start living together by chance. Their sweet little cohabitation begins!

Follows the lives of two couples who live in the same neighborhood. Kim Man-Suk delivers milk on a motorbike at dawn. He curses a lot, but actually has a warm heart. One day when he goes up a slope, he meets Ms. Song - a lonely woman who works hards by collecting and selling scrap paper. Man-Suk feels something special toward Ms. Song. Jang Kun-Bong works in a parking lot. Jang Kun-Bong has a wife who suffers from Alzheimer's. He works from dawn until late at night. After work he comes home and takes care of his wife.

A comic artist and an unemployed sex columnist are trying to work together in order to win a lucrative comic-book competition.

Jun-seo is tired of the relationship he is in with Mi-yeon. But one day she is in an accident and falls into a coma. Then, unbelievably Mi-yeon visits him the next day just like any other ordinary day. He starts searching for other traces of Mi-yeon and realizes how much he loved her. Will he discover the love he has never realized, which has always existed close by him?

This documentary, set against the backdrop of Busan's daytime party Club Insomnia, explores why we feel the need to party and connect with others. Ultimately, it seeks to convey a simple yet fundamental truth-that every moment of selecting, playing, and listening to music is an act of love and joy.