This brand new mystery variety show that has only one rule: "Survive, no matter what". For each mission, cast members will enter an unknown, virtual reality space through a secret door. No matter what reality they face through the door, they must endure and survive.

Cast:Yoo Jae-suk, Kwon Yu-ri, Dex, Kim Dong-hyun,

Genre:Reality, Comedy,

country:South Korea,

Production:Company Sang Sang, Studio Gaon,