Officer Matthew Klein's December began when a mysterious Advent calendar appeared on his doorstep.

24 doors, no sender, and a carved, bearded face with hollow eyes watching from its center.

Behind the first door was a miniature house that burst into flames in his palm, identical

to Matt's childhood home that burned on Christmas Eve 30 years ago.

That night, the damaged voice whispered,

Uncle David, can you hear us?

The second door revealed a red feather.

Hours later, Pastor Hart's minivan crashed when a cardinal smashed through his windshield.

Matt learned his best friend's son, Zach, had been visited by a strange boy who smelled of campfire

and convinced him to attack a local cafe.

When Matt tried opening the third door early, a shadowy child appeared

with a warning, follow the rules, or the consequences will be dire. Behind door three was a crystal

star. Stars appeared everywhere that day, on police crests, street addresses, nativity scenes.

City planner Bridget Carr was found dead beneath Marshport's Christmas tree, the giant decorative star embedded in her skull.

The fourth door held a police mugshot. Uncle David, the demon of Bayville, a serial killer,

a mysterious burning smell filled Marshport.

The shadowy figure returned, and Matt realized the horrifying truth. It was his little

brother, Stephen, killed in the 1995 fire that started when two boys used a spirit board

to contact their dead uncle. Behind the fifth door was a blood-covered

cross. Matt confessed everything to his wife, Annika, the house fire, his serial killer uncle,

his real name, Norris. Terrified for Pastor Hart, they raced to the hospital, only to find

him safe. But Matt knew the calendar

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