Ba Reum’s instinctive intuition helps Moo Chi get closer to the bottom of the mystery behind the knots. But he suffers from the random flashbacks that seem very unfamiliar. While investigating the suspects, Moo Chi and Ba Reum spot a man who stands out from the rest. On the other hand, Kang Duk Soo, who has been released from prison keeps trying to find out where Bong Yi lives.