Officer Matthew Klein's December began with chaos when he arrested his best friend's son

for a violent attack at a local cafe.

But that same day brought something far more disturbing.

A mysterious Advent calendar appeared on his porch with no sender, wrapped in festive paper and bearing 24 numbered doors.

Behind the first door was a miniature replica of Matt's childhood home, which burst into flames

in his palm just as the real house had burned years ago.

That night, a damaged child's voice whispered through the darkness.

Uncle David, can you hear us?

The second day revealed a red cardinal feather.

Matt dismissed it as harmless until he witnessed Pastor Hart's minivan crash,

caused by a cardinal smashing through the windshield.

His best friend Simon revealed that his son, Zach, had been visited by a cardinal smashing through the windshield. His best friend Simon revealed that

his son, Zach, had been visited by a strange young boy who smelled of campfire smoke, who had

convinced him to attack the Café Cook. That night, when Matt tried to open the third

door early, a shadowy child appeared in his living room with a chilling warning.

One day at a time, follow the rules, or the consequences will be dire.

The third door held a crystal star.

Throughout the day, stars appeared everywhere, on the main street trooper's crest as he led

the town's Christmas tree into Marshport, on a J street trooper's crest as he led the town's Christmas tree

into Marshport, on a J. Walker's street address, atop the nativity scene in Matt's home.

When Matt checked the star again, its five points were dipped in blood.

Hours later, Lieutenant Sears called with terrible news.

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