Ji-soo, a literature enthusiast who believes a mysterious being once visited him as a child and gifted him with talent in writing, finds school life boring. But everything changes when Hyeon-joo, a bold, soccer-loving girl, transfers to his school. Her boyish charm and passion to soccer instantly captivates him. From that day on, Ji-soo is plagued by unsettling, yet vivid dreams that blur the line between reality and something far more mysterious.

At her dad's funeral, Kyungun meets her uncle Jaemin, a complete stranger. He bilks her father's insurance money. She demands her money back, but he unashamedly refuses. To get her money back, she joins his next scam.