Yi-jun acknowledges his feelings as unrequited love. Jae-hee returns as his secretary and is confused as Yi-jun is suddenly being nice to her. Si-a's presence makes them keep their distance from each other. Hye-jung gets involved in the investigation on Han Eun-young's death, and she reveals she is being threatened and followed. The culprit is on the move, and Yi-jun and Jae-hee fall into danger.