With the holiday season at hand, single mom Nicky Talbot is unemployed and struggling to afford a nice Christmas with her 8-year-old daughter. Hearing that Cartwright's Department Store is hiring temporary holiday help, Nicky rushes in to apply, but is rejected by Senior VP Fiona Aldrich, who considers Nicky a threat to the relationship she hopes to have with Bill, a charming and handsome store manager. In a whimsical turn of events, Harry Osbourne, claiming to be a consultant from corporate headquarters, encourages Nicky to dress up and begin working as Cartwright's store Santa Claus. With the magical help of Harry, Nicky keeps the job, but nobody knows Cartwright's Santa Claus is a woman. Will she be able to keep her job if her secret gets out?