In a quiet village in South Korea, Yu-jin is a young woman who has grown up in a protected and somewhat isolated environment. Her life takes an unexpected turn when her cousin Seon-ja, a bold and outgoing girl, comes to visit. From the very first moment, the connection between them is undeniable, but so are the differences that separate them. As Seon-ja introduces Yu-jin to a world of new experiences, from parties to games of seduction, Yu-jin's life begins to change drastically.
As they delve into this whirlwind of emotions and discoveries, a complex attraction arises between the two. Confidences and laughter are intertwined with moments of tension and confusion, exploring the delicate balance between love and friendship. However, this new awakening also brings with it a series of internal and social conflicts that will lead them to question not only their identities but also the family ties that bind them.
With a subtle and provocative approach, the film tells the story of an emotional and sexual awakening, showcasing the struggle of two young women to accept their feelings in an environment that often does not allow it. As summer progresses, both Yu-jin and Seon-ja will face decisions that will change their lives forever, turning their friendship into something much deeper and more complicated.