Gyeong-ah works as a caregiver and lives alone. The only one she can rely on is her daughter, Yeon-su, but it's hard …

　　放暑假的玉周（崔贞云饰）、东周（朴胜俊饰）姐弟俩随爸爸（梁兴周饰）一起来到了爷爷（金尚东饰）家，再加上久未见面的姑姑（朴贤英饰），一家人在爷爷的二层小楼里度…