"Monstar" depicts the lives of ordinary teens who are injured psychologically and heal themselves through the power of music. Yoon Sul-Chan is the vocalist for the group "Man in Black". He carries deep wounds within his mind, but doesn't express his feelings. Because of his hot temper, he causes trouble. His management company then orders him to carry himself as an ideal student. He joins a music band at school, while facing unexpected events.
as Yoon Seol-chan
as Min Se-yi
as Jung Sun-woo
as young Jung Sun-woo
as Nawin Thammarat
as Kim Na-na
as Han Ji-woong
as Min Gwang-ho
as Choi Kyung (young)
as Manager Hong
as CEO Go
as Ma Joon-Hee
as Shin Jae-rok
as Men in Black member
as Men in Black member
as Men in Black member
