He's on Duty (2010)

Delighted? Delighted!

A South Korean man named Bang Tae-Sik looks more like someone from Southeast Asia and has difficulties finding employment. One day, Bang Tae-Sik disguises himself as a man from the country of Bhutan named ?Bangga? and succeeds in finding a job. Bang Tae-Sik then witnesses racism that migrant workers face in Korea