Officer Matthew Klein's peaceful life in Marshport, Maine, shattered on December 1st when

he arrested his best friend's son, Zach, for a bizarre attack at a local cafe, and a mysterious

Advent calendar appeared on his doorstep, no sender, 24 doors, and a carved, bearded face with hollow eyes.

The calendar's trinkets began revealing a deadly pattern. A miniature house burst into flames,

identical to Matthew's childhood home that burned 30 years ago. A red feather preceded a

cardinal-caused car crash involving Pastor Hart. A crystal star

foretold City Planner Bridget Carr's death beneath the town's Christmas tree, the giant

star ornament embedded in her skull. Some trinkets exposed Matthew's buried secrets, while

others predicted violence and Marshport, each one a clue, each day, bringing new horror. When Matthew tried

opening a door early, a shadowy child appeared, smelling of smoke and ash, warning him,

follow the rules or the consequences will be dire. The figure spoke with his dead brother's voice,

whispering the same words Stephen had spoken

before that fire.

Uncle David, can you hear us?

The fourth door revealed a police mugshot of Uncle David, the demon of Bayville, a serial

killer who removed his victim's eyes.

Matthew finally confessed his deepest secret. He wasn't Matthew

Klein at all, but Matthew Norris, sole survivor of a Christmas Eve fire that killed his family

when he and Stephen used a spirit board to contact their dead uncle and unleashed something

demonic instead. The shadowy enforcer was Stephen's charred spirit, bound to the calendar's vengeful countdown.

Matthew confessed everything to his wife, Anika.

Behind the fifth door was a bloody cross, and, convinced Pastor Hart was in danger, they

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