Twenty Hacker: Directed by Hyun-Seok Han. With Hyun-Bin Kwon, Na-Young Lim, Cho Hyun-young, Bong-hak Maeng. The genius hacker Hex runs the "white hacker" club Better World. As he discovers the hackers that ruined his father's company he need all the help he can get from his club members in order to take them down.