14-year-old Eun-hee moves through life like a hummingbird searching for a taste of sweetness wherever she may find it. Ignored by her parents and abused by her brother, she finds her escape by roaming the neighborhood with her best friend, going on adventures, and exploring young love.
Su-kyung lives with her daughter Yi-jung. They don't quite get along, though. Su-kyung is too hot tempered, while Yi-jung is slow and passive. After having a fight one day, Su-kyung runs over Yi-jung, who thinks she did it on purpose. Their clash ends up in court.
Based on Lim Solah's novel of the same title, Snowball focuses on the friendship between three girls who are united by frustration with the mundane routine of high school life and its associated authority figures, only for their bond to be severed by otherwise different natures.
Jun-ho who avoids relationship commitments he runs into Eun-ji, who he had met through a dating application. Jun-ho suggests that they date without any responsibilities, and they begin an undefined relationship.
A poor couple is about to have a plausible date for their 3rd anniversary. However, their plans to go shopping and go to an amusement park start to deviate little by little.
A working-class residential village suffers from a flood. Without proper relief measures in place, the flood victims have no choice but to stay inside a cramped, filthy container together temporarily. A young girl named Gyeongju who is staying there with her mother notices Eunae who is by herself....
Ji-eun wants to be a writer, but she can't feel emotions because of an accident of her childhood. So Ji-eun getting feeling pent-up and it is intensified by the girl who is at the same class.
