Ugh! Hui Won's morning sickness has begun! Thanks to Du Jun and Se Hyeon's fantastic collaboration, Hui Won barely escapes the threat of her colleagues discovering her pregnancy. However, with the untimely tears streaming down her face and a loss of appetite, she struggles with morning sickness everyday. But Hui Won...

Hui-won activates the elevator emergency system and saves Du-jun from danger! Du-jun falls even deeper for Hui-won. Meanwhile, Min-wook, realizing his feelings for Hui-won are not friendship, but love, declares war on Du-jun and begins to make serious advances toward Hui-won.