Fresh out of jail and eager to start a new life, Chet Moran and his pregnant wife, Trish, leave town to begin again. But an ancient evil is looming, and what seems like a safe haven may not be all it appears. Snared and murdered by a vile, arcane horror, Chet quickly learns that pain and death are not unique to the living. Now the lives and very souls of his wife and unborn child are at stake. To save them, he must journey into the bowels of purgatory in search of a sacred key promised to restore the natural order of life and death.

One Christmas Eve in a small hollow in Boone County, West Virginia, struggling songwriter Jesse Walker witnesses a strange spectacle: seven devilish figures chasing a man in a red suit toward a sleigh and eight reindeer. When the reindeer leap skyward, taking the sleigh, devil men, and Santa into the clouds, screams follow. Moments later, a large sack plummets back to earth, a magical sack that thrusts the down-on-his-luck singer into the clutches of the terrifying Yule Lord, Krampus.

Connecticut, 1666. An ancient spirit awakens in a dark wood. The wildfolk call him Father, slayer, protector. The colonists call him Slewfoot, demon, devil. To Abitha, a recently widowed outcast, alone and vulnerable in her pious village, he is the only one she can turn to for help. Together, they ignite a battle between pagan and Puritan - one that threatens to destroy the entire village, leaving nothing but ashes and bloodshed in their wake.

Ana and Reid needed a lucky break. The horrifically complicated birth of their first child has left Ana paralyzed, bitter, and struggling: with mobility, with her relationship with Reid, with resentment for her baby. That's about to change with the words any New Yorker would love to hear—affordable housing lottery. They've won an apartment in the Deptford, one of Manhattan's most revered buildings. Reid dismisses disturbing events and Ana’s deep unease and paranoia as the price of living in New York—people are odd—but he can't explain the needle-like bite marks on the baby.

It’s the house of their dreams. Former marine Harry and his wife, Sasha, have packed up their life and their golden retriever, Dash, and fled the corporate rat race to live off the land in rural Idaho. Their breathtaking new home sits on more than forty acres of meadow, aspen trees, and pine forest in the Teton Valley. Even if their friends and family think it’s a strange choice for an up-and-coming pair of urban professionals, Harry and Sasha couldn’t be happier about the future they’re building, all by their lonesome.