Ra Eun Seo and her two friends, Min and Nari, reside in a destitute North Korean town. During a foraging expedition for food, they stumble upon a radio broadcasting music and news from South Korea, leaving them in awe. Seo, a talented singer, seizes the opportunity to perform at the Festival of the Sun, a celebration honouring the Great Commander's birthday, and takes the radio with her. But possession of any material from the South is strictly prohibited, and the consequences plunge them into a whirlwind of chaos.

As the three friends are locked away, their future looks bleak. Can they escape from their imprisonment and forge a new life of freedom? Follow the daring journey of Seo, Min, and Nari as they navigate the perils of a labour camp, facing obstacles that threaten their survival.