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.
Yoo Jae-sang
Park Hae-jun
Lee Hang-na
Choi Moo-seong
Jung Ga-ram
Yoo Jae-myung
Kwak Min-seok
Kim Do-young
Kang Ae-sim
Oh Dae-hwan
Kim Min-sik
Nam Moon-chul
Cha Bo-sung
Lee Jung-eun