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.
A girl draws a circle on the ground. Passers-by step into it, one by one. Soon the circle is full of people.
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?
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.
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.
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.
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.
