Moorim School

Chiang, the son of the chairman of Shanghai Group, comes to Korea and enters Moorim School.

Si U and Chiang become roommates despite their wills, and they get into a fight whenever they see each other.

The relationship between Si U and Sun Deok sours because of misunderstandings, and Si U fights with Chiang.

Si U and Chiang do the Peak of Moorim mission not to get kicked out of the school and go into the mountain.

Chiang officially asks Sun Deok out on a date. Si U is reminded of his old trauma during class again.

Although Chiang and Si U have become a lot closer after the mission, they have to compete during the midterms.

Sun Deok and Si U do the room escaping mission together and get closer to each other. Chae Yun wakes up.

Chiang plans to confess his feelings for Sun Deok during the retreat. Sun Deok avoids Si U after the kiss.

Sun Deok takes care of Chiang, who got injured, and her feelings for him grow bigger. Si U suspects Ui Ju.

Chiang asks Sun Deok out once again but gets rejected. Chiang determines to defeat Si U in the competition.

Tae O, Sun Deok's first crush, comes to Moorim School as a special coach to train the students.

As Moorim Competition is held, the tension elevates higher than at any time. Sun Deok recognizes Mr. Jang.

Mu Song finally tells the truth about Seon A, and Seon A gets shocked after finding out the truth.

After Mu Song leaves Moorim, new professors rule the school and train the students in a very strict way.

Chiang leaves Moorim and goes to China to meet Wang Hao. Sun Deok learns the secret about Si U and Bong San.

Chiang runs to Sun Deok's place, but Sun Deok is gone. Si U and Chiang climb the Peak of Moorim to find Ui Ju.