A young man named Sherman survives the apocalypse in a soviet-style alternate reality and when trying to find his place outside an isolated city, gets stuck in an underground bunker.

三个年轻人为了让他们的冒险频道增加更多的人气，去神秘的城市卡萨布兰卡旅行，却没有意识到它隐藏了一个可怕的秘密。