“Black Knight” tells the story of how legendary knight 5-8 and refugee Sa-wol take on the omnipotent Cheonmyeong Group that rules a dystopian Korea ravaged by extreme air pollution, making it uninhabitable without a ventilator.

“Oxygen has been delivered.”

The series follows the journey of refugee Sa-wol, and the legendary deliveryman 5-8, as he takes on the all-powerful Cheonmyeong Group in a dystopian portrayal of Korea devastated by severe air pollution, making it uninhabitable without an oxygen mask.