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.
Second-generation migrant worker, Soo is released after receiving probation and community service sentence for his use of violence. Along with his friend Pil-sung, he ends up working as brokers for illegal migrant workers. While fulfilling his community service duty, he meets surfers. Soo falls in love with surfing as the surfers Ddong-ggo and Hae-na teach him how to surf.
A flight from Incheon to London's Kingsford Smith Airport is canceled due to an engine malfunction, and passengers are provided with a complimentary overnight stay at a layover hotel. Six strangers, unexpectedly stranded together, each have a unique and unforeseen experience throughout the night. This temporary stay becomes a moment of reflection on their lives.
Hyeonjae was a war correspondent who quit due to his trauma of war. Thinking of the special communication he had with plants as a kid, he returns to his grandfather's arboretum. At that very place, he gains the courage to live on and decides to run a plant café in the city. To his customers who seek him out with their stories and plants, Hyeonjae provides a remedy for not only their plants but also their hearts.
There it stands, the house, drawn in pencil. It begins to fall apart. Bricks come loose from the wall, the front door falls off its hinges and walls break away. Everything sinks into endless nothingness.
Yu-jin suddenly appears at a surf shop run by Dong-min after three years of separation. Yu-jin boldly asks 15 million won from Dong-min. She wants to get paid for the branding "Killer Swell". Dong-min is confused by Yu-jin's sudden visit after thinking he already forgot all about her. Yu-jin who visited Dong-min is also confused. She left him first because she was unhappy with their relationship, but now, she doesn't know what she wants. After their parting, can their romance begin again?
After his mother's death, 16-year-old Hyung-joo suspects that his father is not his biological father. A secret paternity test reveals that he is not. Confused, he uses his math skills to figure out his biological father and embarks on a journey with his best friend, Jisoo, to find him.
Waves coming and going on an empty beach. Various people, from children to the elderly, appear one by one on the beach. And, within the rhythm of the waves, each repeats their own actions.
In bed, late on a sleepless night in the depth of winter, Eujin finds a small dust kid. She decides to do the cleaning she has been putting off for so long. Cleaning every corner of her room, she keeps finding other dust kids here and there, and starts clearing them up one by one. Just when she thinks she has cleaned her room and the dust kids are all gone now, she comes face to face with another one… When I am at home alone, I sit silently and mull over many things. As I think, my brain fills with pointless worries and anxiety. That’s when I start to clean my room. As I clean busily, wash the dishes and do the laundry I’ve been putting off, my anxiety disappears naturally.
On that familiar night, a sense of anxiety and fearful emotions came over me. Countless thoughts and questions followed.
Yujin breaks her glasses and visits an optician. During an eye exam, she sees a house in a field and finds herself inside. There, she meets three shadow selves, reconciles with them, and gains a new perspective. Finally, she leaves the house and gets new glasses.
A girl draws a circle on the ground. Passers-by step into it, one by one. Soon the circle is full of people.
