Continuity mistake: When Guibanjang is speaking with Samsin after looking through her stuff, just after Guibanjang says "How could you, of all people, do this", he places his hand over her hand. We can see that his hand completely covers her hand. When it cuts to a different angle, her thumb is placed on top of his hand. (00:38:15)
Continuity mistake: Whilst Weol-ju and Guibanjang are speaking on the sidewalk, after Weol-ju says "did Kang-bae find a client? All right, let's go", Guibanjang puts his hand on Weol-ju's right arm. Guibanjang's arm is extended when he does this, but when the shot cuts, his arm is at his side. (00:34:26)
Episode #1.9 - S1-E9
Continuity mistake: When Weol-ju and Guibanjang are in the cafe, just as Weol-ju says "That must be him", Guibanjang turns his head to face the man across the room. In this shot, the cup he is holding is next to his face, but in the next shot, it is suddenly lowered. (00:08:18)
Episode #1.8 - S1-E8
Continuity mistake: When Weol-ju and Guibanjang are in the Romeo and Juliet fantasy, Guibanjang takes out a letter and places it on the table. His left hand is in the air when he takes out the letter, but in the close-up of the table, his left hand is suddenly placed on the table. (00:11:26)
Episode #1.7 - S1-E7
Continuity mistake: In the pop-up bar, when Guibanjang is explaining that he reported the loan shark to the police, in the shot of him saying "And the fruit shop owner got his money back", his right hand is at his side. When the camera changes angles, his right hand is suddenly holding a shot glass. (01:02:06)
Episode #1.6 - S1-E6
Continuity mistake: When Weol-ju and Guibanjang begin dancing on the sidewalk after the dance instructor finally gets pregnant, a bus suddenly appears on the road to the left of shot when the camera cuts to a closer angle of the two dancing. (01:01:45)
Episode #1.5 - S1-E5
Continuity mistake: When Weol-ju does a kick with her leg whilst sitting on the park bench, the corn dog that Guibanjang is holding is on his lap in one shot, then raised to his face in the next. (00:10:02)
Episode #1.5 - S1-E5
Continuity mistake: After Weol-ju and Guibanjang swap their meat sticks, Weol-ju takes a bite out of it. The stick is away from her mouth at the end of the shot, but when it cuts, it is suddenly facing towards her mouth, so she can take another bite. (00:08:27)
Episode #1.4 - S1-E4
Continuity mistake: After the grandmother realises her back has been healed, it cuts to Guibanjang playing a game on his phone in the pop-up bar. Weol-ju is shown polishing a pot with her left hand placed along the side of it. When the camera changes, her left hand is placed along the top section of it. (00:57:58)
Episode #1.3 - S1-E3
Continuity mistake: When Guibanjang finds the chairman's USB drive, in the shot of him pulling it out of the book, he is holding it so that the connector is pointing upwards, but in the next shot, the USB has rotated 180° so that the connector is pointing downwards. (00:47:50)
Episode #1.3 - S1-E3
Continuity mistake: When Guibanjang is posing as the chairman just before he is about to change back, he starts touching the side of his face with his hands, but when the camera changes angles, his hands are at his side. (00:44:18)
Episode #1.1 - S1-E1
Continuity mistake: Whilst Weol-ju and Guibanjang are sitting at the table, just as he tells her to be polite to her customers, Weol-ju takes a drink from her shot glass. In the next shot, the shot glass is back on the table and is now suddenly eating a carrot stick. (00:24:02)
Episode #1.1 - S1-E1
Continuity mistake: After Weol-ju tells Guibanjang he must have a death wish, he begins to lower his shot glass slightly, but in the next shot, it is suddenly raised towards his face again. (00:23:58)
Episode #1.1 - S1-E1
Continuity mistake: After the flashbacks, Weol-ju is telling Guibanjang about how she helped out 99,990 cases. When she says "You must have a death wish", all of his right hand fingers are placed on the shot glass he is holding. In a different shot, his ring finger is suddenly off the class, then back on the glass in the shot after that. (00:23:56)
Episode #1.1 - S1-E1
Continuity mistake: When the general begins to drink the Ssanggapju that Weol-ju poured for him, the positioning of his fingers on the pipe that he is smoking from change between shots. (00:23:30)
Episode #1.1 - S1-E1
Continuity mistake: In the customer 1569 flashback, Chun-hyang is offered a drink. The cup is held in one hand and the Ssanggapju pot is held in another. Both the cup and pot are level with one another in one shot, but when the shot changes, the pot is much lower than the cup. (00:22:07)
Continuity mistake: When Weol-ju is on her phone, looking for an online post that lists the moments girls fall for guys, when the camera is on her right, she is holding the phone with both hands. When the camera is on her left, she is holding with only her left hand. (00:16:42)
Episode #1.6 - S1-E6
Continuity mistake: When the dance instructor takes out the card that Weol-ju gave her earlier, her finger is shown going over the front of the card. But in a close-up of the card, the finger over the front is no longer there. (00:44:30)
Episode #1.6 - S1-E6
Continuity mistake: Weol-ju hands the dance instructor a card for the pop-up bar. When it cuts to a close-up of the card after it has been handed to the instructor, the card has suddenly rotated 90°. (00:17:19)
Episode #1.5 - S1-E5
Continuity mistake: When Weol-ju is jogging in the park, in the shot from behind, a woman with her hair tied back, can be seen running past Weol-ju in the opposite direction. Then it cuts to an angle in front of Weol-ju, where the same woman can be seen running past her a second time. (00:05:00)