Vada Sultenfuss has a holiday coming up, and an assignment: to do and essay on someone she admires and has never met. She decides she wants to do an assignment on her mother, but quickly realises she knows very little about her. She manages to get her father to agree to let her go to LA to stay with her Uncle Phil and do some research ...

Scott Calvin is an ordinary man, who accidentally causes Santa Claus to fall from his roof on Christmas Eve and is knocked unconscious. When he and his young son finish Santa's trip and deliveries, they go to the North Pole, where Scott learns he must become the new Santa and convince those he loves that he is indeed, Father Christmas.

France, 1914, during World War I. On Christmas Eve, an extraordinary event takes place in the bloody no man's land that the French and the Scots dispute with the Germans…

Kris Kringle, seemingly the embodiment of Santa Claus, is asked to portray the jolly old fellow at Macy's following his performance in the Thanksgiving Day parade. His portrayal is so complete that many begin to question if he truly is Santa Claus, while others question his sanity.

Brad and Kate have made something of an art form out of avoiding their families during the holidays, but this year their foolproof plan is about go bust -- big time. Stuck at the city airport after all departing flights are canceled, the couple is embarrassed to see their ruse exposed to the world by an overzealous television reporter....