About
The series follows the bittersweet relationship between a banchan shop owner whose daughter enters the war of Korea's college entrance exams, and a top hagwon instructor.
Cast
Jeon Do-yeon
as Nam Haeng-seon
Jung Kyung-ho
as Choi Chi-yeol
Shin Jae-ha
as Ji Dong-hui
Lee Bong-ryeon
as Kim Yeong-ju
Oh Eui-sik
as Nam Jae-woo
Roh Yoon-seo
as Nam Hae-e
Jang Young-nam
as Jang Seo-jin
Kim Sun-young
as Cho Su-hui
Hwang Bo-ra
as Lee Mi-ok
Heo Jeong-do
as Kang Jun-sang
Lee Chae-min
as Lee Sun-jae
Kang Na-eon
as Bang Su-a
Ryu Da-in
as Jang Dan-ji
Lee Min-jae
as Seo Geon-hu
Kim Tae-jeong
as Lee Hui-jae
Ji Il-ju
as Jin I-sang
Lee Do-hye
as Jeong Su-hyeon
Kim Da-huin
as Jeon Jong-ryeol
Lee Ji-hae
as Director Jeong
Park Hui-eun
as Jin-su's mother
Episodes
Season 1
You and I, the Intersection of Two Universes
As competition in her class ramps up, Nam Hae-e anxiously awaits her math score. Choi Chi-yeol is embroiled in a scandal involving one of his students.
Probability of Encountering Your Enemy at Your Worst
Nam Haeng-seon attempts to register Hae-e into The Pride Academy. Desperate for Haeng-seon's food, Chi-yeol visits her store in a disguise.
Number of Outcomes Where Dislike Becomes Like
Haeng-seon begins fawning over Chi-yeol after discovering his true identity. A change in the Pride Academy's schedule creates a stir among the parents.
Revolt of the Arithmetic Sequence
Haeng-seon gets a taste of the vicious politics among the academy's parents. She later goes to great lengths to make things right for Hae-e.
The Secret Probability Distribution of X and Y
Haeng-seon and Chi-yeol work out an arrangement for Hae-e's tutoring. A mysterious tragedy leaves the academy and its parents rattled.
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.
The Very Average Laws of Attraction
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.
Chance Becomes Fate through Inductive Reasoning
Haeng-seon realizes her own feelings after seeing Chi-yeol at the academy. Su-a connects the dots and begins to make sense of Hae-e's recent successes.
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