"Byeolli Island" (director Park Kwang-hyun) is a story about veteran math instructors Gong Seung-yeon (played by Jeong Seok-yeon) and Byun Yo-han (played by Han Gi-tak) teaching out of control middle school students in "Dream Class" where children full of personality gather on the remote island of Byeolli Island and continuing their unsettled island life. Yoon Seok and others performed hotly.