After John Nash, a brilliant but asocial mathematician, accepts secret work in cryptography, his life takes a turn for the nightmarish.

Seven years after the world has become a frozen wasteland, the remnants of humanity inhabit a perpetually-moving train that circles the globe, where class warfare, social injustice and the politics of survival play out.

After starting a job at an eerie hardware store, an anxious young man uncovers a shocking mystery that leads to a fight against terrifying forces that lurk just behind the walls.

Lucy, a former child actress who seeks enlightenment at a retreat led by spiritual leader Elon, while also navigating the close but turbulent relationship with her daughter, Dylan.