In order to prevent the future from being unfold according to the sketch, Dong Soo and Si Hyun look for clues together. They track down the culprit and find Ji Soo's car at the same place. When Do Jin falls in despair, a mysterious man approaches him.

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.