Movie: Shark: The Beginning & Shark: The Stormbr br br A Victim Of School Bullying Was Sent To Jail But He Ends Up Becoming The Most Feared Person. Cha Yu-Soo ( Kim Min-Suk) was bullied by Bae Seok-Chan (Jung Won-Chang) during his middle school days. He finally felt a sense of relief when he enrolled at a different high school from Bae Seok-Chan, but Bae Seok-Chan transfers to the same high school that Cha Yu-Soo attends. Cha Yu-Soo is unable to take the bullying anymore and he attacks Bae Seok-Chan with a pen. Afterwards, Cha Yu-Soo is sentenced to 3 years in juvenile prison for the attack. Meanwhile, Bae Seok-Chan has to give up boxing because of his injuries from the pen attack. He wants to get revenge and waits for Cha Yu-Soo's release from juvenile prison.br br At the juvenile prison, Cha Yu-Soo meets Jung Do-Hyun (Wi Ha-Joon), who is a former MMA champion. He is in prison for killing three people who killed his family. To survive in prison and whenever he meets Bae Seok-Chan again, Cha Yu-Soo asks Jung Do-Hyun to teach him how to fight.