The Secret Life of My Secretary - Season 1 Episode 18 I See Faces, Again
Overview: A cutter-knife is found in Gal-Hee’s home, which is linked to the burglary. Do Min-Ik remembers having seen the same knife in the hands of his chauffeur. His suspicion towards his chauffeur grows and as he’s temporarily able to see faces, he recognizes that of his chauffeur and goes to confront him.