While monitoring an emergency line, a vigilant FBI agent answers a call that plunges him into a deadly conspiracy involving a mole at the White House.

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.

When event planner Chloe is hired to plan the local Christmas Festival, she is beyond thrilled to embrace the challenge. Professionally, everything is going great, but much to the dismay of her mother, Chloe confesses she has given up on ever finding Mr. Right. That all changes the night of the opening of the festival when she meets Evan. The two begin a whirlwind romance, but as Christmas Day nears, Chloe learns that Evan is being transferred overseas for work. What follows is three more Christmases where Chloe and Evan cross paths at the annual festival, but each year something - or someone - stands in the way of true love. Will a touch of Santa's magic on their fourth Christmas Eve finally bring them together?

Set in the present, the series offers a bold, subversive take on Archie, Betty, Veronica and their friends, exploring the surreality of small-town life, the darkness and weirdness bubbling beneath Riverdale’s wholesome facade.