It's school festival day and Min-hyuk is busy dancing and singing. However, it is not the stage but a toilet that binds his destiny. He is bewitched by a daring high school girl, Mi-hyun, who comes into the men's room because the women's room is full. From that day on, Min-hyuk woos her, escorts her home at night, stuffs her locker with roses, and clears passages for her in the morning after a snow fall. For all his efforts, he doesn't get much more than a tender glance from Mi-hyun. When she suddenly vanishes "sorry" are the only words she leaves behind.

Yu Mi-young, an ordinary housewife, loses her husband in a car accident. Two women come to his funeral and she is raged with his betrayal. She finds out in his diary that it wasn't an accident and plans a revenge against the two women, Sin-ae and Su-mi.

A painter and a novelist share an abandoned apartment building. The painter takes in 99 stray dogs as the subjects of his next work but, as he does not have enough resources to feed them, the dogs turn feral. Meanwhile, the novelist begins to have an uneasy dread about what will happen when the painter's latest work is complete

A sanjo gayageum has twelve strings while a harp has forty-seven. Gayageum musician Joo Bora and harpist Lee Gihwa form a duo with the aim of bridging East and West through the two traditional string instruments. In the wake of COVID-19, they prepare for their first performance together, taking a step closer to each other and gaining a deeper understanding of the differences between their musical instruments. They learn to appreciate emptiness, and then interpret it through the act of artistic giving.