Gun-woo, drowning in a failing business, meets Yo-sup, a mysterious boy who lives in dreams, and glimpses a future that lets him win big on a sports bet. While searching for Yo-sup again, he crosses paths with Min-a, a guarded high school girl. Struggling to understand one another, the three are drawn into a strange journey shaped by dreams and fate.

After his mother's death, 16-year-old Hyung-ju 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, Ji-su, to find him.

In the winter following her college entrance exams, 19-year-old Yurim wanders the streets with her best friend Seonmi, who ran away from her broken home.

Yoonhee, waiting for her best friend Soojin, goes into Soojin's house only to encounter Soojin's boyfriend, Hyunsoo.

Ji-seo, the third daughter, is tasked by her father with finding the youngest sibling who has run away with gold.

After a suicide in the family, mother Hae-sook and daughter Yoon-seul withdraw into separate silences, each carrying grief in her own way. When Yoon-seul returns home after a long absence, the distance between them becomes impossible to ignore. They share the same space yet remain estranged, bound by what neither can fully name. Hae-sook attempts to endure the loss through restless, self-destructive impulses, while Yoon-seul retreats into emotional numbness. As traces of the past surface in their daily lives, they are confronted with the fragile thread that still connects them. An unforeseen incident disrupts the stillness of their days.

Eugene accidentally runs into Ju-myeong, a middle school classmate she hasn't heard from in seven years, at a cafe near her company. She tries to talk to Ju-myeong, but the conversation doesn't flow as she'd hoped. After returning from meeting Ju-myeong, Eugene finds herself constantly reminded of her school days with him. After mulling it over...

Min-Jae, a promising athlete, is driven to the edge when a teammate benefits from a wealthy background, and she takes action. When her coach learns her secret, she is offered a deal.