Two hillbillies are suspected of being killers by a group of paranoid college kids camping near the duo's West Virginian cabin. As the body count climbs, so does the fear and confusion as the college kids try to seek revenge against the pair.
Lara Jean and Peter have just taken their romance from pretend to officially real when another recipient of one of her love letters enters the picture.
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.