The film tells the story of a family living in the open air at a highway rest stop and their encounter with a couple who accidentally give them warmth, and the birth of a new family. Ra Mi-ran plays the general manager of a second-hand furniture store who cherishes her longing for her son; Jung Il-woo plays the father of two children who cares deeply about his family and is also the head of a family; Kim Seul-gi plays a pregnant woman who travels aimlessly with her husband, two children, and the baby in her belly; Baek Hyun-jin plays Ra Mi-ran's husband, who is indifferent but a helper who understands his wife's pain better than anyone else.