When Jo Gang-Ja attended high school, she was notorious for fighting. She gave birth to her daughter A-Ran in her late teens and became more responsible. Her daughter A-Ran is now a high school student, but A-Ran is bullied at school. Jo Gang-Ja decides to go back to high school to protect her daughter. Jo Gang-Ja becomes a high school student again.

Kim Hee-seon
Jo Kang Ja

Ji Hyun-woo
Park Noh Ah

Kim You-jung
Oh Ah Ran

Lim Hyung-jun
Oh Jin Sang

Koh Soo-hee
Han Gong Joo

Kim Seul-gi
Jong Man

Jeon Kuk-hwan
Park Jin Ho

Kang Moon-Young
Do Yoon Hee

Yoon Ye-joo
Jin Yi Kyung
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My Three Sons66%
Cuckoo67%
Marlon67%
Neighbours60%
Chicken Girls70%
Spirit Fingers87%
Tyler Perry's The Oval81%
8 Simple Rules68%
Moesha70%
King of the Hill74%
Young Sheldon80%
How I Met Your Father64%
Backstreet Rookie75%
The Jeffersons73%
Shakespeare & Hathaway - Private Investigators72%
Men at Work66%
The Goldbergs74%
The Honeymooners74%