The series concerns three characters who are still dealing with interconnected childhood traumas. Kang Da-jeong (Seo Hyun-jin) is a hotel concierge manager with a history of bad relationships, who moves to the rooftop of a new building for a fresh start. Joo Young-do (Kim Dong-wook) is a psychiatrist who does all he can to help people live. Chae Joon (Yoon Park) pursues Da-jeong after he finally found her again. Ahn Ga-yeong (Nam Gyu-ri) is an actress recovering from depression who doesn't know what to do in a new relationship.
