本性难移

在酷寒的北方海域，核潜艇大和号伴随着莫扎特的旋律，开始了驶向纽约联合国总部的深海航程。在美俄交界的白令海峡，一艘性能全面碾压大和号的美国核潜艇正悄然逼近。此刻，寒冷的北冰洋上，碎裂的浮冰之间，一场激战就此拉开帷幕。

　　In a small, remote village in upstate Quebec, things have changed. Locals are not the same anymore - their bodies are breaking down and they developed an outlandish attraction for flesh.

　　In the year 2961, the time is after humanity and nature has recovered the land. A hunter named Cygnus is called to rise above his duty. He provides for Last Arc, a once nomadic band of survivors in need of food and water that is now growing scarce. The answer must be found before a group of outlandish Heretics descend upon them. Cygnus must voyage across the treacherous landscape to defend his people. Sent by Nova, the matriarch of the band, she acts based on her vision for Cygnus to find a seed of hope. The future of Last Arc is for him to discover, Cygnus ventures into a hostile landscape in search of an answer for his people. On this journey of encountering many traps and dangers, Cygnus discovers what has been hunting him is his identity.

　　在明尼苏达州北部的“边界水域”中，六个老朋友之间的周末露营之旅在神秘的环境下死亡后变得悲惨起来，随着他们企图在本集团内揭露杀手，引发进一步的动荡。