The Detective (1968)
First of all, The Detective is not in any way, shape or form, a Christmas movie. It's not set at Christmas, and it isn't about Christmas, and I'm not claiming anything to the contrary. So. Why am I talking about it? While this isn't a Christmas movie, it is indirectly connected to one of the most significant Christmas movies ever made. The Detective is based on a book by the same name, and that book has a sequel called Nothing Lasts Forever which would be adapted into a movie two decades after this one. Unlike The Detective, the name "Nothing Lasts Forever" didn't survive the adaptation: they changed it to Die Hard. In other words, The Detective is John McClane's origin story. Well, sort of. The main character in The Detective was named Joe Leland, and several details about his relationship with his wife were notably different. But other details, like him being a New York police detective who breaks rules, are consistent. In some ways, I fou...