Ver en Cuevana. The young couple Han-gyeol and Go-woon are staying in a Sauna with their son Woo-rim. One day, Woo-rim gets badly hurt and to save hospital bills, Han-gyeol enters an empty house of the old lady he got to know while working on delivery. It’s a perfect home for the family but they can’t stay there forever. The sweet dream will end when the old lady comes back from trip.