Four people lead ordinary lives in different places, their paths never crossing. A mysterious man appears in each story, always as someone else. One moment, a cram school instructor; the next, a truck driver, a barber - his identity constantly shifting. Then, death strikes. A detective pursues the truth, closing in on a revelation...

A mysterious man appears before six individuals, each struggling with their own issues, as an impending disaster disrupts their lives, unraveling suspense and psychological tension.

A man gets lost in an underground passage. He follows the "guide" through the passage, but one after another, strange things happen to him. Is this space real? Or an illusion? Will the man be able to escape the passage?