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.

Du-jun sees Hui-won and Min-wook together at the OB/GYN clinic. Hui-won becomes increasingly concerned about Min-wook's presence, and the misunderstanding deepens. Hui-won, too, is secretly resentful of Du-jun's absence from the clinic, and is distraught by Min-wook's confession.

Hui-won and Du-jun finally confirm their feelings! From snack delivery to naptime, the boss's special support begins. While their precarious yet thrilling office romance continues, Du-jun's hand trauma fuels misunderstandings between Hui-won and Du-jun.