The night class were treated really different from the morning class.The teachers treated them like animals.They would hit the students any time they wanted and the night class students do not even have a break.There were cameras everywhere so that they could not escape.

Another thing about Seoul Academy was that the night and morning classes were not allow to see each other.If they do,the both of them will get punished severely.

However,for Kim Taeyeon,a student from the night class, and Stephanie Hwang,a student from the morning class,they weren't afraid of the rules.They would meet up in the evening, disguising themselves.Taeyeon would dress up as a guy while Tiffany would be called Miyoung,a name Taeyeon made up herself.

Will the both of them still have a happily ever when Taeyeon's twin brother,a student also from the morning class,appeared in Tiffany's life?