Kim Tae-jun

On an uninhabitable 22nd-century Earth, the outcome of a civil war hinges on cloning the brain of an elite soldier to create a robot mercenary.

The story is about a hitman named Brain who suffers an accident during a murder and struggles to survive while suspecting everyone around him to find out who is behind the accident after barely surviving.

An incident that unfolds when a filming team goes to a reservoir to update the road view where an unidentified figure was filmed and encounters something in the dark, deep water.