As the family members seem to come into the attic all they want, Min-yong sets up a video camera in the corner of his room before he goes to bed. The next day, he checks the footage and sees people come and go even while he sleeps and finds out even Hae-mi checks his cell phone. So Min-yong decides to block the hole of the pole. Meanwhile, Yoon-ho sneaks in the teachers’ office to find his motorcycle key, but hides himself in the cabinet as he hears someone approaching. But in the cabinet, he finds a girl named Hye-mi, already hiding in there. (thetvdb.com)