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In 1951, a doctor wants to make the holiday special for his worried wife before he is shipped out to serve in Korea, but when she suffers a minor fracture to her arm his carefully planned out Christmas Eve plans are upended. In 2003, a newly married couple who are always in agreement about everything hosts two sets of in-laws for Christmas Eve for the first time and find that they may not have had as much in common as they thought they did. And in 2024, a couple tries to arrange special Christmas surprises for each other but keeping them a secret may be harder than they thought.