Set in the ordinary family and its days from 1978 to the early 1980s in Korea, it tells the pleasant, heartwarming story of five families: a tomboy girl Choi Ja-Du, a drunk father Choi Ho-Dol, a Scrooge mother, Kim Nan-Hyang, and a smart sister Choi Mi-Mi and a mischievous brother Choi Seung-Gi and teacher Lee Mi Ja and teacher Jo Yong Pal. The story of shrewd and loving Jadoo with family and friends gives viewers cute fun and laughter.