Dark Hole

In the small town of Mujishi, located near a deep, mysterious sinkhole, a strange dark smoke has begun to emit, transforming its residents into monstrous beings. Detective Lee Hwa Sun, still haunted by her husband's unsolved murder, and Yoo Tae Han, a former detective and local of Mujishi, must work together to uncover the truth behind the smoke and save the town from the mutated creatures. As they delve deeper into the mystery, they soon realize that the smoke's power may be more sinister than they ever imagined. Will they be able to overcome the odds and find a way to stop the spread of the dark smoke, or will they succumb to its mysterious power?

You can stream Dark Hole on: Rakuten VIKI

Some TV shows that have similar genres and were produced around the same time as Dark Hole include 3 Body Problem, Lost, Goosebumps, Paper Girls, Secret Invasion, Tower of God.