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)
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: When Wan-ik is approached by the American officer after speaking with the prisoners, in the shot of Wan-ik turning around whilst the officer says "Mr. Lee", the two ribbons used to tie his hat with can be seen overlapping with each other. In the next shot, the two ribbons are suddenly separated from each other. (00:38:31)
Episode #1.1 - S1-E1
Continuity mistake: After Yu-jin's father is shot with an arrow, blood can be seen running on the ground beside him. Just under twenty seconds later, after Yu-jin has been seen running through the forest, the blood on the ground can no longer be seen beside the father's body. (00:17:43)
Episode #1.1 - S1-E1
Continuity mistake: When Yu-jin's mother stands up after Lord Kim kills her husband, the hair pin that she threatened Lady Yun with can be seen on the ground. The hairpin is in a position where the green end can be seen pointed towards her. When the shot cuts, the hairpin has suddenly rotated 180°. (00:17:51)
Episode #1.1 - S1-E1
Continuity mistake: When Yu-jin is caught looking up at the sky, in the shot after Mr. Haengrang asks "What are you looking at", he has his left hand at his side. But in the next shot, his left hand is raised. Then his hand is by his side again in the shot after that. (00:11:15)
Episode #1.1 - S1-E1
Continuity mistake: When Ae-sin tells the peddler that the broach collection is lovely, the peddler says "You are a bad liar", and pulls her hand away from the small table. Right at the end of the shot, her right hand is not touching anything, but in the next shot, her right hand is suddenly on her knee. (01:10:09)
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: When Lord Kim shoots Yu-jin's father with an arrow, in the shot where the father dies, the rug that he is wrapped up in has no visible blood stains. When it cuts to a different angle, there is suddenly a blood stain on the rug. (00:17:41)
Episode #1.1 - S1-E1
Continuity mistake: When Yu-jin sees his parents being threatened by Lord Kim's men, he puts down the branches he was carrying and moves the stick he was holding from his left hand to his right hand. He then starts running and the stick is now back in his left hand. (00:12:43)
Episode #1.1 - S1-E1
Continuity mistake: After the scene where they suggest increasing the number of men in the ganghwa area, Lord Kim is sitting at a table speaking with another man. In the shot where Kim sighs deeply, a woman can be seen walking past in the background. Then it cuts to a closer shot of Kim and the woman suddenly disappears. (00:09:02)