Plot Summary

Doo-sik (JUNG Jun-ho), the number two of a leading gang, the D-Dogs, is full of ambition and expectation, for his once in a life time opportunity to be back to school not as a student, not a guard, but as a student teacher! It's really something for him, 'cause he already failed to complete his high school course years ago. Now it's kind of a second chance for him. He...