Yoo Hyuk-jae Movies, TV Shows, and online popularity.

Black Knight is a South Korean streaming television series set in 2071, following the high-stakes endeavors of an elite group known as the Black Knights. These delivery men navigate a polluted and dystopian world to distribute essential oxygen supplies to humanity's remnants after environmental disaster strikes. The narrative intertwines themes of survival, ambition, and societal dependence on scarce resources.