Continuity mistake: At one point when Lee Byeong-chan is talking into a video camera the video camera battery level indicator shows 29%. When the view changes then switches back a few seconds later, it's at 22%.
Continuity mistake: When Park Eun-hee is talking into a video camera there are some on-screen icons for the camera: zoom, battery level, etc. Initially there are two guide lines on the zoom level bar. When the view changes then switches back a few seconds later, there is only one guide line.
