A group of strangers wake up in an abandoned hospital to find themselves stalked by a supernatural force with sinister intentions.
A virus has decimated humankind. Those who survived emerged blind. Centuries later when twins are born with the mythic ability to see, their father must protect his tribe against a threatened queen.
More than seven years after the world has become a frozen wasteland, the remnants of humanity inhabit a gigantic, perpetually-moving train that circles the globe as class warfare, social injustice and the politics of survival play out.
