After the lights go down in Daechi-dong, the untold stories of academy instructors unfold. The veteran instructor, Seo Hye-jin, and her former,...

Famous star instructor Seo Hye-jin works until midnight at the academy like any other day. As she stares at the Hall of Fame in the lobby, Joon-ho's...

Even though Hye-jin tries to dissuade Joon-ho, he already passed the first written exam and is getting ready for the test lecture. Therefore, Hye-jin...

A clandestine endeavour dubbed "Teacher and Student Sally Forth" sparks a covert tutoring session led solely by Hye-jin for Joon-ho. Alone in an...

Hye-jin and Joon-ho's optimism for their collaborative lecture fades as they discover only one student has attended their free session. Shocked,...

Director Choi Hyung-sun, the White Haired Witch, finds out that Hye-jin and Joon-ho taught the class even though there was only one student. She...

Joon-ho finds out that Hye-jin has been helping him out by taking a loss. He tells her that he'll work on his own, and Hye-jin gets strange feelings...

Joon-ho confesses his feelings for Hye-jin and he wants to know what she thinks about him. However, an unexpected visit takes his chance away....

Hye-jin tells the director that she won’t leave the academy and teach the Heewon High class. Hye-jin goes to So Young’s office and talks...

Hye-jin and Joon-ho become more intimate, and the two enjoy dating in secret at the academy. The exams are over, and the teachers are busy checking...

Pyo Sang-seob tells Hye-jin that he will be teaching at Choisun Academy. He tells her that the mid-term incident made him think about being a...

Joon-ho’s parents meddle in his work and try to help him become successful in their ways, but Joon-ho feels uncomfortable about it. Seung-hui...

Sang-seob tells Hye-jin that someone copied her teaching material to use it against her. Joon-ho and Hye-jin’s argument continues, and it gives...

Hye-jin decides to give up her teaching materials and turn down the vice-director’s offer to leave the academy with her. However, Hyung-sun...

Hye-jin and Joon-ho decide to face the situation with no lies, but they are worried and feel sorry for the people who will be harmed because of them....

Joon-ho talks about how frustrated he was when he realised that there was nothing he could do to help Hye-jin. Hyun-tak is worried about managing the...

Some instructors leave the academy, and some request to meet Hyun-tak to talk about their plans. Seung-hui reaches out to Min-jin and asks her to be...