There Are No Correct Answers in Life, Only Best Answers
A painful past comes back to haunt Chi-yeol. Bang Su-a becomes suspicious of Hae-e after finding her secret worksheets on her desk.
Quest roles:
Park Seon-a(Su-hyeon's mom), Kim Geon(Su-hyeon's brother), Lee Yong-yi(Noise complaint woman), Son Sang-gyu(Math King), Kim Seon-kyeong(Nation's Best Side Dishes' customer)