Dong Soo is determined to catch the guy who killed Ji Soo. Meanwhile, Do Jin is given another target to kill. In order to pursue the man who killed Ji Soo, Dong Soo gives up his badge and goes rogue.

Dong Soo is shocked when he finds out that Do Jin is the one who killed his wife. Do Jin hears from Tae Joon that it was the decision Dong Soo made that ultimately led to the death of his wife. Meanwhile, Si Hyun finds herself in the sketch she has drawn.

Dong Soo and the Nabi Team members try their best to find Si Hyun. However, they aren't able to find a clue while the time keeps flowing. Meanwhile, Si Hyun tries to escape from Il Woo and his crews. Il Woo suspects that someone is tailing him, so he orders his men to kill Si Hyun.