Jay Kim owns and runs a Cafe/Floral Shop called GreenHouse Cafe located in a small town in South Korea with her younger sister, Mina. They are struggling to keep up the business. Kang Sung Won is a anonymous famous writer. He is facing his own troubles and one of them is looking for a place to write his story peacefully, since his grandmother is obsessed with him living a life outside his room where he doesn't writes. Is the GreenHouse Cafe the perfect place for him to secretly write his books?