四个小镇青年闯荡江湖,妄想拯救世界,却各自身陷囹圄,最终被一个来自未来的自由女神拯救。。早在远古,人类曾与人类以外的种族,也就是所谓的妖怪之间,发生过多年战乱。人类取胜后,妖族们答应不再使用特殊能力,彻底服从统一管理。于是,人类与他们共同成立了一个组织,并修订了一份详细的资料集。这个组织称为山河图,而那份资料集就是著名的《山海经》。。In a near future, crimes and accidents can be prevented by making just one phone call to the past. However, the peace of this utopian world will be disrupted by a methodical killer who seems to have discovered the only flaw in this system.。