A young South Korean man moves into a shared residential building and forms an unexpected connection with his new neighbour, who turns out to be a famous K-pop idol taking a break from the spotlight. As their relationship deepens, both must navigate the pressures of celebrity life, personal longing, and the complications that arise when private feelings clash with public expectations. The series explores themes of identity, loneliness, and what it means to step away from a life that no longer feels like your own.