The dystopian universe of Black Knight was finally revealed to the world through its first-ever teaser trailer. The clip gives curious audiences a peek into the black knights in action while living in a world without order. The newly released poster features lead actor, Kim Woo-bin, who plays the character of 5-8, donning his signature mask in a desolate world, engulfed by sand and polluted air. In this newly released teaser trailer for Black Knight, Kim Woo-bin's character, 5-8, explains the role of a black knight, who risks their life to protect delivery trucks from hunters who steal essential resources like oxygen. In this world, strength is vital for survival.