Jun Hyuk suddenly gets a high score on his English test, and his teacher at school suspects him of cheating. Jun Hyuk tries to persuade him that he didn't cheat, but it's hard for the teacher to believe his words. Meanwhile, Hyeon Gyeong tenaciously tries to find out the truth about Soon Jae's relationship with Ja Ok. Soon Jae desperately tries to hide the truth from her as he knows she'll bring up her late mother.
