Brief Story Line
Yoon Dong-ju (Park Bo-gum - Wonderland, When Life Gives You Tangerines TV series etc) was former boxing gold medalist who became police officer through special recruitment program but always had problems due to his hot headedness. Along with him, there were also Ji Han-na (Kim So-hyun -Unforgettable, My Lovely Liar TV series etc) former shooting champion, Kim Jong-hyeon (Lee Sang-yi - Love in the Big City, Bloodhounds TV series etc) who gained silver medal from fencing and Shin Jae-hong (Tae Won-seok - My Puppy, The player TV series etc) former disc throwing athlete that were part of the similar program. They were led by Captain Go Man-sik (Heo Sung-tae - Crash TV series, Hitman: Agent Jun etc) who was former wrestling medalist several years earlier and jointly formed the Special Crime Investigation unit.