故事以世界末日即将来临的2012年为故事背景，无业青年吴安良，找来死党郝歌，以及语言不同却心灵相通的异国美女阿代儿，从旧约圣经诺亚方舟的故事获得灵感，号召在网络上打造一艘名为「卡拉图号」的虚拟方舟，企图让全世界七十亿人透过社群网络结为「亲人」，用爱与和平，携手度过人类文明的毁灭危机。但他们却遭到神秘组织绑架，囚禁在宛如精神病院的地下基地…Hundreds of cash-strapped players accept a strange invitation to compete in children's games. Inside, a tempting prize awaits with deadly high stakes. A survival game that has a whopping 45.6 billion-won prize at stake.
