After nearly thirty years of service, Scott Calvin realizes his holiday magic is fading and his reflexes are slowing down, prompting him to retire as Santa Claus and find a suitable successor. Believing the role should stay in the family, he attempts to groom his disgruntled son, Cal, and ambitious daughter, Sandra, while navigating the mundane realities of the modern world with his wife, Carol. However, the mystical vetting process misfires, and Scott inadvertently chooses Simon Choksi, a tech-obsessed,
divorced father and visionary, as the new Santa. Simon quickly commercializes the North Pole, prioritizing efficiency and algorithms over the genuine spirit of giving. Meanwhile, the Calvin
family struggles to readjust to suburban life in Illinois, haunted by the realization that they surrendered their magical home. Realizing Simon’s ruthless modernization is draining the North Pole of its life force and putting Christmas itself in jeopardy, Scott, Carol, and the children embark on a high-stakes mission to return to the North Pole and reclaim the mantle before the magic is lost forever. With the help of Betty, the wise Head Elf, and Noel, Scott discovers that the Claus mantle is not merely a job passed through contracts, but a calling rooted in legacy and love. Upon infiltrating the heavily automated workshop, Scott confronts Simon, who has become addicted to the power of the globe. A magical showdown ensues, but rather than resorting to force, Scott appeals to Simon’s fundamental desire to be a hero to his own daughter, Grace. The spell is broken, and Simon steps down, realizing that true magic cannot be manufactured by cold technology. Scott reassumes his red suit, restoring the North Pole to its whimsical, traditional glory. In the second chapter of their journey, a new threat emerges in the form of Krampus, a fearsome holiday figure awakened by lingering resentments and administrative oversights at the North Pole. As old family secrets surface and Cal grapples with his own identity as the heir apparent to the Christmas throne, the Calvin family must unite to mentor a new generation of magical beings. Scott learns to balance his demanding paternal duties with the heavy burdens of global holiday delivery, ensuring that his children feel seen and valued rather than overshadowed by his legendary persona. Ultimately, through trials of trust, forgiveness, and festive resilience, the family solidifies the true meaning of the holidays, securing the North Pole’s future and proving that the magic of Christmas lives on not just in the North Pole, but in the enduring bonds of family and the selfless joy of giving to others.