Do Kyungsoo, the University's best English professor. However, all the students dislike him. He is known for being the harshest English teacher and passing his class is nearly impossible. Which is why all students dubbed him "Professor Satansoo" 

Kim Jongin, A journalist thats getting his masters degree in writing. He is a student in Kyungsoo's class. Always late and questioning everything that comes out of Kyungsoo's mouth. 

Will these two be able to survive the semester?