A married life and school life of a high school student husband (Micky) and a class teacher (Seo Hyun Jin). Hero, a transfer student, lost his family since he was a child and grew up alone. Lately, he falls in love with their class teacher and causes a triangle relationships.
Micky: Husband of their class teacher.
Hero: Falls in love with their class teacher.
U-Know: A handsome guy but cruel talking Student's Society President.
Xiah: A smart but thick face guy. Micky's friend.
Max: A rich guy from a good family background. Micky's friend.
Seo Hyun Jin: Class teacher and Micky's wife.