As Min-hyuk spends the day shopping and playing, Bong-soon is forced to follow him around. While at a park, they spot a suspicious man spying on them.

Profilers suggest misogyny motivated the recent crimes. Bong-soon decides to put her dream of developing games second to catching the culprit.

Frustrated with police legalism, Guk-doo takes drastic measures. Bong-soon is preoccupied with catching the culprit herself, which worries Min-hyuk.

Replaying the video of Kyung-shim, Bong-soon hears a strange background noise. Following his hunch, Guk-doo decides to check out the junkyard again.