Episode 4 - S1.E4

Teo goes to confront the stalker who attacked Jaewon. But before Teo meets him, the stalker gets in an accident and becomes unconscious. Teo tries to find out who is behind the stalker, and Jaewon looks for Heo Chiyoung, Soonyoung’s twin brother. She thinks that his existence is the only explanation for what has been happening to her lately. However, the investigation leads to another mystery.