This is a classic story about a group of kingkas who called themself as Student Council, the highest organization at Infinity High School. They take an act and oppresses other students as they want it, but actually there is without no reason.

Their leader, Kim Sunggyu, is entitled to determine the greatest punishment at school, called the "Red Card", one of the official authorities that makes other students reluctant to deal with all members of the Student Council.

Student who are sentenced to Red Card are usually students with major mistakes at school. When the Red Card is issued, the person's choice is only two, immediately out of school, or ...

... facing its worst reality.

On the other hand, Nam Woohyun is just a transfer student who gets a scholarship at Infinity. But even before he was officially a student there, he had a problem with Sunggyu and s.