In "The Santa Clause 3: The Escape Clause," Scott Calvin, played by Tim Allen, faces a new challenge as Jack Frost, portrayed by Martin Short, attempts to take over Christmas. To protect his role as Santa Claus, Scott must navigate the pressures of holiday preparations while dealing with Jack's mischievous plans. As the story unfolds, Scott discovers the existence of the Escape Clause, which allows him to undo his transformation into Santa. With the help of his family, including Mrs. Claus and their children, Scott must confront Jack and ensure that the spirit of Christmas is preserved.