When her Philadelphia radio station is closed for repair for the holidays, DJ Kara Porter is forced to broadcast from the small town of Bethlehem. She's desperate to increase her numbers and get promoted outside of Radio Christmas-a year-round Christmas station-and seeks to uncover the identity of the town's Secret Santa, an anonymous benefactor that saved all of Bethlehem's Christmas festivities. Along the way, she discovers the true meaning of family, community, love, and of course, Christmas.

Marty Mackenzie is an unsuccessful stage actor who takes an interest in private investigating. He takes a job working with Jack Potter, a crusty private eye. They both take a case in Beaver Ridge, a seedy small town where a murder is being planned against a rich gravel pit owner. Marty realizes that private investigating is not as it seemed to be.