Watch Marrying Father Christmas for Free: How to Stream the Movie Online at 123Movies. . When Miranda Chester sets off to find information on her biological father two Christmases ago, she never imagined her investigation would lead her to both the love of her life, Ian McAndrick, and the family she had always longed for, including Margaret Whitcomb and half-brother Peter Whitcomb. After her romantic engagement last Christmas, Miranda prepares for a Christmas wedding surrounded by this new family. While Miranda finalizes the details of her big day, Margaret forges a surprising romance with a friend from the past. Miranda’s wedding plans are quickly complicated when a mysterious visitor who claims to have ties to her late parents reaches out to her just days before her wedding. As Miranda’s wedding approaches, she must decide if she wants to spend one of the most momentous days of her life with this new family connection, and must carefully navigate the first steps into the next chapter of her life with Ian.