After learning something unexpected about Minjae, Youjin can no longer brush off her growing feelings for him. Minjae tries to act unfazed, yet he is just as aware of her, creating a strange tension between them. Meanwhile, when Sejin spots Minjae meeting with a mysterious woman, the lab instantly erupts into wild speculation. Caught up in misunderstandings and jealousy, Youjin decides to make a bold move of her own. Will Minjae take the bait?