Jul 29, 2021 11:37 PM EDT "Police University" actors f(x)'s Krystal, B1A4's Jinyoung, and "Along with the Gods: The Two Worlds" actor Cha Tae Hyun shared their thoughts on the new TV series, and revealed the K-drama's special charms that viewers need to watch out for. (Photo : KBS Drama) "Police University" tells the different stories of students and professors' day-to-day lives in National Police University as a detective and professor, Yoo Dong Man (played by Cha Tae Hyun), teams up with his students, hacker-turned-police-student Kang Seon Ho (played by Jinyoung) and Judo master Kang Hee (played by Krystal), in a collaborative investigation.