Air City - Season 1 Episode 12
Overview: As the raised security level disturbs their operation, supernote forgers leave bags disguised as explosives within the airport. The airport experiences another commotion, and Ji Sung once again demands to see the dollar delivery, figuring out the suspects' intentions. During the turmoil, the fake notes are swapped with real dollars. Mr. Um, when passing by the crime scene, gets attacked by the forgers as he attempts to scold them for using the carts.