The Hong Kong Kowloon Treasure Murder Case File 1 - S1-E1
Continuity mistake: A mysterious man spills beverage on Miyuki's tanktop, creating a large brown stain that forces her to go change clothes. When she steps into the changing room from the urban legend, though, her clothes are pristine, the stain is entirely gone. (00:08:10 - 00:09:15)