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过了充满亲情的夏季时光。
Choi Jung-woon
Ok-ju
Park Seung-jun
Dong-ju
Yang Heung-ju
Byeong-ki
Park Hyun-young
Mi-jeong
Kim Sang-dong
Grandfather
Lee Hyeon-seo
Mother
Kim An-na
Mi-jeong's Friend
Kim In-chul
Uncle
Jung Tae-sung
Ok-ju's Boyfriend
Jang Geun-yeong
Shoe Trader
Kang Suk-won
Care Worker
Kim Na-kyeong
Jeong Hae-seong
Fabric Store Owner
Song Ah-yeong
Woman Who Comes to see the House
