Gwang-jae's birthday is ruined by everyone's discovery of Hyun-jae just as they are beginning to part with him, as well as his accidental finding of Ji-hoon's secrets. Despite claiming to be a lookalike of himself, Hyun-jae is being suspected as his real self by Soon-tae and Boo-hee. Ji-hoon's friends later persuade him to convince Gwang-jae to allow him to pursue his training, but decides to reveal to everyone about it, as well as his secret harboring of his friends at his apartment. (thetvdb.com)