Episode #1.1 - S1-E1
Continuity mistake: When the soldiers enter the room after shooting Ae-sin's mother, she is shown lying on the floor. She then turns around and shoots one of soldiers whilst lying on the floor, but when the second soldier shoots her, she is suddenly standing up. (00:58:25)
Episode #1.1 - S1-E1
Continuity mistake: Ae-sin is reading a book whilst a peddler prepares a collection of broaches for her. When the peddler finishes saying "What do you think, my lady", Ae-sin's right hand can be seen touching the bottom of the right hand side page. When the shot cuts, her right hand is nearer towards the middle of the page. (01:10:05)
Episode #1.1 - S1-E1
Continuity mistake: An accessory on Lady Yun's dress is thrown on the ground toward Yu-jin. It is shown landing mere inches from Yu-jin, but around ten seconds after this, when Yu-jin begins to get on his knees, it is suddenly about a foot away from him. (00:14:50)
