Set in a scorched, near-future Korea where breathable air is rationed and delivery drivers double as armed couriers, Black Knight follows a legendary rider known only as 5-8 through a world built on scarcity and violence.

What is Black Knight about?

Years after an environmental catastrophe pushes most of humanity underground, survival hinges on oxygen credits and the couriers strong enough to move them safely across a lawless wasteland. 5-8 has built a reputation as the fastest and most dangerous of these delivery drivers, a man whose combat skills are as essential to the job as his driving. Into his orbit comes Sawol, a refugee with nothing but grit and an outsider's hunger to prove himself, who sees in 5-8 both a mentor and a way out of the underclass he was born into. As the two cross paths again and again, the series widens its lens from a single delivery route to the layered class system that keeps the powerful safe above ground and everyone else fighting for air below. Action set pieces built around armored trucks and hand-to-hand combat share space with a slower story about mentorship, survival, and what people are willing to do when the basics of life become currency.

About the cast

Kim Woo-bin leads as 5-8, joined by Kang Yoo-seok as Sawol, with Esom, Song Seung-heon, Kim Eui-sung, Nam Kyung-eup, Jin Kyung, and Roh Yoon-seo rounding out the ensemble across the show's five episodes.

Context & significance

Black Knight comes from director Cho Ui-seok and arrived in 2023 as one of the more ambitious entries in Korea's wave of post-apocalyptic genre television, pairing large-scale action with a pointed class-divide premise. Its South Korean production carries the visual scale of a feature film compressed into a serialized run, and it sits comfortably alongside the country's broader run of dystopian and survival-driven series that have found audiences well beyond Korea.

Watching Black Knight on Ktime

Black Knight streams on K-Time with Persian subtitles, making its Korean dialogue and world-building accessible to Farsi-speaking viewers. Watching only requires a free K-Time account login, and the platform's Farsi-language interface is built with the Iranian diaspora audience in mind, so navigating episodes and extras feels native rather than adapted.