Hae-e ranks first in her class, causing drama among other parents. Chi-yeol and Haeng-seon grow closer as he spends more time with her family.
Jeon Do-yeon
Nam Haeng-seon
Jung Kyung-ho
Choi Chi-yeol
Lee Bong-ryeon
Kim Yeong-ju
Oh Eui-sik
Nam Jae-woo
Shin Jae-ha
Ji Dong-hui
Roh Yoon-seo
Nam Hae-e
Jang Young-nam
Jang Seo-jin
Kim Sun-young
Cho Su-hui
Hwang Bo-ra
Lee Mi-ok
Heo Jeong-do
Kang Jun-sang
Lee Chae-min
Lee Sun-jae
Kang Na-eon
Bang Su-a
Ryu Da-in
Jang Dan-ji
Lee Min-jae
Seo Geon-hu
Kim Tae-jeong
Lee Hui-jae
Ji Il-ju
Jin I-sang
Lee Do-hye
Jeong Su-hyeon
Kim Da-huin
Jeon Jong-ryeol
Lee Ji-hae
Director Jeong
Park Hui-eun
Jin-su's mother
Choi Hee-jin
Young-min's mother
Yoo Jun
Lee Young-min
Jeong Han-seol
Bae Jeong-su
Hwang Jae-yeol
Detective Song
Jang Tae-min
Detective
Go Ae-ri
Jo Ga-yeon
Lee A-jin
Lee Hyo-won
Kim Gye-rim
Hyeon Seo-Jin
