Ye Rim finds something in the counselor's desk that she shouldn't have and it raises her suspicion about the empty seats in her homeroom. Chun Jae Soo wants nothing more than to be the smartest student in his school. But the councelor catches on to his method of cheating on a test. He offers him a drink that that improves his memorization skills. But will that one be enough or will Jae Soo want more? (Source: MyDramaList)