Eight individuals trapped in a mysterious 8-story building participate in a tempting but dangerous game show where they earn money as time passes.

Hyeong-min, a prominent police detective, and Tae-oh, a killer who has confessed to multiple murders, maintain a fierce psychological confrontation.

Su-ho is a plain high school boy, and Su- is a bright and beautiful girl in the same school. For some unknown reason, Su-eun has a crush on the boy,…

A staircase leading to the dormitory of a remote boarding school usually has 28 stairs, but every so often there appears to be 29. When someone steps on the mysterious…