Dark Hole (Korean: 다크홀; RR: Dakeuhol) is a South Korean television series starring Kim Ok-vin and Lee Joon-hyuk.

[2][3][4] Dark Hole is about a detective and a wrecker driver who have to fight for their lives against mutants that are created when humans breathe mysterious dark smoke from a sinkhole.

OCN announced its lineup of 2021 drama slate in November 2020 which included the fifth installment of the 'Dramatic Cinema' project, Dark Hole.

[9][10] OCN revealed the casting news of Kim Ok-vin and Lee Joon-hyuk on October 9, 2020.

[13] The photos from the first script reading were released by OCN on March 2, 2021.