The opening of "Police University" paints a fairly straightforward picture of this being a youth drama, where everything is driving toward an exciting career as a police officer. The teenage Seon-ho (played by Jin Young) is a genius hacker, but lacks any greater purpose than assisting his brother Seung-beom (played by Choi Woo-sung) with ill-advised romantic schemes. Seon-ho runs afoul of judo athlete Kang-hee (played by Jung Soo-jung) as a part of one of these schemes, Police University, Cha Tae-hyun, Choi Woo-sung, Chu Young-woo, Jin Young, Jung Soo-jung, Lee Dal, Moon Min-jung, Oh Man-seok-I, Yoo Kwan-mo, Yoo Young-jae