When a photojournalist (David Cubitt) in the fictional Bay City photographs a mysterious stranger performing an act of bravery, the act quickly becomes headline news and the town dubs the stranger "John Christmas". After seeing the photo, Kathleen McAllister (Valerie Bertinelli) becomes convinced that the mysterious stranger is in fact her long-lost brother Hank (William Russ), a former firefighter. With the town's help, Kathleen and Noah set about to find the stranger's true identity with the help of Max (Peter Falk), a Christmas angel.