八名参加者被困在一栋八层的神秘大楼内，参加充满诱惑而又危险的游戏。在这场游戏中，随着时间的流逝，参赛者将不断赢得奖金。

A man (Ki Tae-yeong) is imprisoned for murdering his father, a woman (Han Soo-jeong) is given a terminally ill life, Song Jang-soo (Park Cheol-min) st