After Santa Claus – Code Name: RED ONE – is kidnapped, the North Pole's Head of Security (Dwayne Johnson) must team up with the world’s most infamous bounty hunter (Chris Evans) in a globe-trotting, action-packed mission to save Christmas.
Mrs. Claus tells us about the time Santa had a bad cold and decided to take a vacation from Christmas. Two of his elves, Jingle and Jangle Bells, decided to go out with Vixen to find children to convince Santa that the Christmas spirit is still important to everybody else. But they must get past Heat Miser and Snow Miser before they land in Southtown, USA, where it never snows for Christmas. Heat and Snow can't agree to let this change, but Mrs. Claus knows their mother, Mother Nature.
Having left the Army following W.W.II, Bob Wallace and Phil Davis team up to become a top song-and-dance act. Davis plays matchmaker and introduces Wallace to a pair of beautiful sisters (Betty and Judy) who also have a song-and-dance act. When Betty and Judy travel to a Vermont lodge to perform a Christmas show, Wallace and Davis follow, only to find their former commander, General Waverly, as the lodge owner. A series of romantic mix-ups ensue as the performers try to help the General.
Iris is in love with a man who is about to marry another woman. Across the globe, Amanda realizes the man she lives with has been unfaithful. Two women who have never met and live 6000 miles apart, find themselves in the exact same place. They meet online at a home exchange website and impulsively switch homes for the holiday. Iris moves into Amanda's L.A. house in sunny California as Amanda arrives in the snow covered English countryside. Shortly after arriving at their destinations, both women find the last thing either wants or expects: a new romance. Amanda is charmed by Iris' handsome brother Graham and Iris, with inspiration provided by legendary screenwriter Arthur, mends her heart when she meets film composer Miles.
Clark Griswold, the well-intentioned, walking disaster who has dragged his family through the horrors of traveling in two previous National Lampoon Vacation films, has decided to stay home for the holidays--and the neighborhood will never be the same.
Eight-year-old Kevin McCallister has become the man of the house, overnight! Accidentally left behind when his family rushes off on a Christmas vacation, Kevin gets busy decorating the house for the holidays. But he's not decking the halls with tinsel and holly. Two bumbling burglars are trying to break in, and Kevin's rigging a bewildering battery of booby traps to welcome them!