T1 E107: Chan Hong, Don Hyuk, and Sae Yun are captured by Cho Pyung Seob. She threatens them to get Seo Jung's phone. Don Hyuk doesn't want to lose his friend again, so he agrees to give her the phone. It seems everything is solved, but Kyung Pyo gets arrested. To figure out the truth, Chan Hong and Don Hyuk begin collecting clues.