Episode 17 - S1.E17

Ga Young is unable to receive Young Gul's call while out celebrating her promotion to team leader. Jae Hyuk congratulates Ga Young on her promotion and gives her a necklace as a gift. Ga Young, belatedly seeing Young Gul's message, heads to the factory, and Young Gul, seeing the necklace from Jae Hyuk on Ga Young's neck, is unable to bear it and tells her to resign from J Fashion.