Remember school days when the teacher would let you try again after a bad score by giving you a make-up test? GunRyu can’t keep his mind off sex. He failed the last exam and wants to do something to boost his grades in the make-up. Mr. Brown catches him cheating, chews him out for such unacceptable behavior. But don't count GunRyu out yet, he's too clever. When he puts his final stunt into action, the angry teacher softens up and has to reconsider. Maybe this guy earns a top score after all?