Skunk breaks into Choi Song Chul's house with the help of his assistant, Chun Ja, to steal Volume One of Jikji. However, high-voltage currents run across the rooftops and grounds at his house that can even take one's life once they make a single mistake. Meanwhile, Tae In visits the crime scene at Chairman Yang's summer house in the middle of the night alone to find out about the killer.