As advanced an enterprises as had ever set forth. Sir John Franklin´s 1845 expedition in search of the fabled Nort-West Passage had every expectation of triumph.

But for almost two years his ship and Erebus have been trapped in the Artic ice. Provisions are running low. Yet the real threat isn´t from the constantly shifting landscape, the flesh-numbing temperatures or being crushed by the unyielding, frozen ocean. No, the real threat is far more terrifying.

There is something out there in the frigid darkness. It stalks the ships and snatches men. It is a nameless thing. At once nowhere and everywhere, it has become the expedition´s nemesis...