S1 • E1
A misunderstanding causes pop star Yoon Sul Chan to be entangled with transfer student Min Sae Hee's life. Min Sae Hee has trouble fitting in her new school.
S1 • E2
Yoon Sul Chan tries to be Min Sae Hee's partner, but she refuses. Ms. Dok must organize a concert to fundraise for the school.
S1 • E3
A mysterious offense at Gyeongbok Palace puts Sul Chan, Min Sae, and gang in trouble.
S1 • E4
Sae Yi discovers someone from her father's past is much closer than she ever expected. Sul Chan and Sun Woo compete for Sae Yi's attention.
S1 • E5
All-Four-One and Color Bars face off in a musical battle to see who will represent the school for the upcoming concert.
S1 • E6
Sul Chan and Sun Woo finally confront each other about their feelings for Sae Yi when Sae Yi comes to realize that her childhood friend is Sul Chan.
S1 • E7
An upcoming musical duel between Color Bars and All-For-One creates an opportunity for Kim Nana, should she choose to accept it.
S1 • E8
Sae Yi has an unwelcome visitor. Guy Dong and Do Nam's troubled past is revealed.
S1 • E9
Gyu Dong's suicide attempt rocks the school, and when Sul Chan goes away with his band, Sae Yi has an opportunity to understand her feelings between him and Sun Woo.
S1 • E10
Sae Yi and Sul Chan cannot deny their attraction for each other, but those feelings compromise her friendship with Eun Ha.
S1 • E11
A producer from JDC secures the high school as the next location for a band battle just as Sul Chan is making plans for his comeback.
S1 • E12
Sae Yi's troubled past is exposed, causing Sul Chan to finally open up about his own past.
Yoon Sul Chan
Min Se-yi
Jung Sun Woo
Shim Eun Ha
Ma Hyo Rin
Manager Hong
Shin Jae-Rok
Dok Go-soon
Choi Kyung
Park Kyu-Dong