Episode #1.1 - S1-E1
Continuity mistake: Whilst Hye-seung is having a meeting with three other female colleagues about Lee Hyung-ju, the colleague sitting on her own to Hye-seung's left, is shown holding a pen that is pointed downwards. In the next shot, the pen is being held at a vertical angle. (00:50:23)
Episode #1.2 - S1-E2
Continuity mistake: When Yoo-hee is looking at photos on her phone, in one shot, she is shown zooming in on a photo. When this happens, her little finger is placed against the bottom of her phone. In the next shot, her little finger is placed against the side of her phone. (00:16:17)