Old Days is a documentary about Park Chan-wook's original masterpiece, Oldboy. It was created for Plain Archive's Blu-ray release and first screened at the Jeonju International Film Festival.

After being demoted from teaching Russian to middle-school English students, Me-sook is literally red-faced with shame, because on top of all her other issues — unrequited love, unpopularity — Me-sook has a blushing problem.