By retracing Moo Gang's steps on the day he was shot, Black gathers clues into the whereabouts of a videotape that contains definitive evidence.

Black chases after leads that will help him solve Joon's case, which is still a mystery. Meanwhile, Ha Ram sots a shadow inside someone's body.

Despite the urgent prodding from 416 and 007, Black becomes conflicted about whether to turn in the laptop as evidence.