Ba Reum's instinctive intuition helps Moo Chi get closer to the bottom of the mystery behind the knots. While investigating the suspects, Moo Chi and Ba Reum spot a man who stands out from the rest.

Ba Reum finds himself acting a lot more violent than before and realizes that it's getting harder to control himself. He even gets the urge to kill someone. Reum is terrified that the Yo Han inside him might take him over completely.