During Macy's Thanksgiving Day Parade, Karen Walker Jane Alexander fires the department store Santa after spotting him drunk, and Kris Kringle Sebastian Cabot volunteers to take his place for the children. Kris proves so affable and convincing that he is hired as the store’s main Santa for the holidays, charming shoppers and sending profits soaring. The news spreads fast, and the once-staid department store finds itself swept up in a feel-good, goodwill-driven marketing surge that everyone—from managers to cashiers—begins to celebrate, even as a wary executive named Shellhammer Jim Backus watches his own carefully laid plans wobble in the new spotlight.
Meanwhile Karen’s daughter, Susan Walker Suzanne Davidson, a bright, skeptical six-year-old, makes a curious new friend next door in Bill Schaffner David Hartman, a lawyer who is both charming and a little overwhelmed by the blitz of holiday bustle. Susan decides that Bill could be a potential match for her mom, nudging their budding relationship along with the instinct that romance might soften Karen’s overworked days. Susan’s growing belief in magic—reinforced by Kris’s genuine beard, the way he speaks to a young girl who doesn’t share a common language, and the comfortable ease with which he treats the world like a stage of possibility—begins to tease at the boundaries between fantasy and reality.
Kris’s unorthodox approach to customer service alarms Shellhammer [Jim Backus], who fears a decline in control and the loss of Macy’s cutthroat, profit-first mindset. Kris, however, pursues a different kind of success, one rooted in authenticity and generosity: he redirects customers to other stores if their needs aren’t met, a gesture that endears him to shoppers but irks the corporate bottom line. The public’s warm reception to this “Santa with a conscience” starts to look like a public-relations windfall, and Mr. Macy [David Doyle] finds himself torn between the numbers and the sentiment his brand has come to symbolize.
As Kris becomes a fixture in the store and in Karen’s life, he befriends a kindred spirit in Alfred [Barry Greenberg], the cheerful janitor who enjoys slipping into a Santa suit at the YMCA every year. Kris also encounters Dr. Sawyer [Roddy McDowall], the store’s psychologist, who initially views Kris as a fascinating case study. Yet Kris sees something different in Sawyer: a man who might be more in need of belief than he is of diagnosis. This clash—Kris’s conviction that he is truly Santa and Sawyer’s instinct to catalogue him—plants the seeds of a growing coalition of doubt around Kris’s identity.
The tension escalates when Kris’s insistence on his own reality pushes Karen to seek professional judgment, and Kris deliberately sabotages every test at Bellevue [Jerry Hardin] to provoke a formal commitment. The hospital atmosphere sharpens the moral stakes: if Kris is not Santa, the fragile arcs of countless families could be thrown into doubt. Kris confides in Bill that he hopes to be allowed to prove his truth to the world, a plan that compels Bill to consider what it would mean to defend a belief that transcends ordinary evidence.
A courtroom drama unfolds as a partisan atmosphere swirls around Judge Harper [Tom Bosley] and the District Attorney [James Gregory], both of whom are juggling political ambitions with the high-stakes optics of a possible national myth. The proceedings hinge on a pivotal moment: Mr. Macy’s own honesty about Kris tests the boundaries of corporate credibility, and the D.A. pushes Bill to demonstrate definitively that Kris is the one and only Santa Claus. The legal battle grows louder as public opinion sways, and the emotional weight on Karen, Bill, and Susan becomes almost unbearable.
Then a turning point arrives through Susan’s letter to Kris, a simple message that reveals the enduring truth behind holiday faith: hundreds of children write to Santa every year, and the postal service becomes a conduit for that collective belief. Bill deftly arranges for Santa’s mail to be delivered to the court, leveraging the authority of the Post Office to force a verdict. Judge Harper ultimately dismisses the case in Kris’s favor, while a quiet nod from the court hints at the possibility that faith, when backed by love and a community, can carry real weight.
In the celebration that follows at the memorial home, Susan’s faith wavers briefly when she does not receive the house she hoped Kris would secure. Yet a final ride through the city reframes the ending: a glimpse of the very house she longed for, complete with the swing she asked for, appears as proof that Kris’s arrangements—made with the quiet cooperation of those who believe—were real all along. Karen and Bill, recognizing Kris’s quiet, steadfast gift, find themselves drawn together by gratitude and affection, and their shared sense that imagination and kindness can shape a world that feels genuinely magical.
