As the owner of Mrs. Claus's Treasures, Merry Wilkinson knows how to decorate homes for the holidays. That's why she thinks her float in the semi-annual Santa Claus parade is a shoe-in for best in show. But when the tractor pulling Merry's float is sabotaged, she has to face facts: there's a Scrooge in Christmas Town.

Merry isn't ready to point fingers, especially with a journalist in town writing a puff piece about Rudolph's Christmas spirit. But when she stumbles upon the reporter's body on a late night dog walk--and police suspect he was poisoned by a gingerbread cookie crafted by her best friend, Vicky--Merry will have to put down the jingle bells and figure out who's really been grinching about town, before Vicky ends up on Santa's naughty list...