Something festive is growing in the sewer... After last year’s tragedy, Douglas’ parents are ignoring Christmas. But when Douglas finds an eerie strand of lights slithering through the sewer, he unwittingly unleashes merry terror upon his neighborhood’s tacky lights contest. String lights spread like invasive kudzu, turning festive decorations into surreal, predatory nightmares.

The blizzard begins pummeling the Midwest on Christmas Eve, leaving hundreds of passengers stranded at Chicago's O'Hare International Airport. Todd Curry doesn't need another reason to disappoint his son, so he joins three other people in renting the last four-wheel drive available and they set out into the blinding snow. Only two hours into the treacherous trip west, Todd swerves to avoid a man in the middle of the highway. The stranger claims his daughter is lost somewhere out in the snow. 

Eric Ross is on the run from a mysterious past with his two daughters in tow. Having left his wife, his house, his whole life behind in Maryland, he's desperate for money—it's not easy to find steady, safe work when you can't provide references, you can't stay in one place for long, and you're paranoid that your past is creeping back up on you.

Some say the Goat Man is just an old folk tale, meant to scare people from wandering too far into the woods. For a group of Satanists, crossing the infamous Goat Man's Bridge is the first step to appeasing their Dark Lord. When their sacrifice goes wrong, hell is birthed on Earth. What rises from the ashes under a lightning-slashed sky will crave only two things: to bring about chaos, and bathe in the blood of the dead.

Burnstow is an ordinary little town populated by ordinary people. Farthing is an ordinary guy that has just inherited an ordinary mobile home in an ordinary trailer park. Farthing looks forward to a nice, quiet, ordinary life.