Already in the throes of a viral pandemic, a massive polar vortex threatens to cover nearly all of Earth in ice. When it's discovered the only chance of survival from the cold is a 100-mile temperate zone near the equator, a virologi

A group of young people, guided by an app which connects living with the dead, find themselves at an abandoned castle. A place with a horrific history tied to each of them, for reasons they'll soon discover.