Seven people were kidnapped by the murderer and were in a secret room. The murderer asked the seven of them to guess why they were kidnapped, otherwise they would kill one person every ten minutes.
| Actor | Role |
|---|---|
| MMa Hong WeiMurderer 杀手 | Murderer 杀手 |
 Ye SiqiFemale Celebrity 女明星 | Female Celebrity 女明星 |
| CChen Jia NingModel 模特儿 | Model 模特儿 |
| GGen LiMale Artiste 男艺人 | Male Artiste 男艺人 |
| GGeng Zi HanDetective 私人侦探 | Detective 私人侦探 |
| ZZhang Wei HuaMovie Boss 影视老总 | Movie Boss 影视老总 |
| LLi Bai LingFemale Reporter 女记者 | Female Reporter 女记者 |
| LLi Hong TaoAssistant Director 副导演 | Assistant Director 副导演 |
| LLi ChangAgent 经纪人 | Agent 经纪人 |