A group of unlikely heroes from across the Korean peninsula try to save the day after a volcano erupts on the mythical and majestic Baekdu Mountain.

In 1999, a teen girl keeps close tabs on a boy in school on behalf of her deeply smitten best friend – then she gets swept up in a love story of her own.

Two apathetic police academy recruits who become best buddies through the tough training together witness a woman being abducted right before their very eyes. As they were taught in the academy, they quickly report the incident to the police, but the police are in no hurry to jump on the case. So the duo decide to take the matter into their own hands and rescue the woman.

When Mi-so and Ha-eun first meet in childhood, their lives become instantly intertwined, forming a bond surrounded by happiness and naivety. But as adulthood arrives, alone and together, they are forced to deal with sadness, anger, grief, growth, and most of all, love.

Mi Na is a normal high school student who skatesboards to school every day and has an unacknowledged crush on family friend slash local tennis star Jong Min, who is her fellow student. Also Mi Na has the superpower to turn invisible twice a day.

The three-part project stars Byeon Woo Seok, KARINA, WONYOUNG and expands its narrative from love to forgiveness through cinematic storytelling.