Desc: 4 Deung: Directed by Jung Ji-woo. With Park Hae-joon, Yoo Jae-sang, Kang Ae-shim, Jung Ga-ram. A former Asian Games record breaker and Olympic tryout, Kim Gwang-su, endures beatings, abuse, and constant ridicule from his swimming coach. To justify this abusive behavior, his coach constantly reminded Gwang-su - this is for your own good!