A family moves to a quiet and isolated place, but suffers from nightmares on their very first day in the new home.

The flight scheduled to leave Incheon International Airport for New York makes an emergency landing at Gimhae Airport due to engine problems. As the passengers will take an alternative flight the following day, they are staying at a hotel provided by the airline during a layover. While staying an unscheduled night at the same hotel, they have an unexpected experience.

Ah-young, a grown orphan with government aid cut off, starts working as a nanny for Young-chae, a single mother who works at a bar to make ends meet.

Two drunken laborers interrupt a much-awaited family trip. Every time the good-natured husband accepts their request, the wife grows more upset, and these strange people become scarier.

Jin-cheol, a cab driver in Seoul, cannot take any passengers because his last customer left his guitar in the backseat. Annoyed and angry, Jin-cheol heads over to a guitar store.

Myung-eun can't comprehend the word "family". She wishes to keep it a secret because she is so different from what she would like to be. When it comes to writing, on the other hand, she does not allow herself to be restricted by reality.

Yoonchul is a sculptor, but he mostly makes living with an interior design job. He is divorced, and his daughter fails to fit into the school life and is considered a troublemaker, although she shows much talent in art, like her father. One day, Yoonchul meets an attractive woman, Youngji, and falls in love with her.

Sang-hyun is always struggling from debt, and Dong-soo works at a baby box facility. On a rainy night, they steal the baby Woo-sung, who was left in the baby box, to sell him at a good price. Meanwhile, detectives were watching, and they quietly track them down to capture the crucial evidence.

Two ex-lovers navigate their lives post-breakup — struggling to redefine their relationship, from partners to strangers and everything in between.

Soon to be married, Eun-su heads to Gangneung to see her long-lost father. The old seaside town has changed dramatically from the one in her childhood memories. Exhausted from the sweltering heat of August, Eun-su gets into a taxi.