A group of orphans are stranded in Hope Valley for the holidays, and Abigail (Loughlin) and the other residents band together to make this an unforgettable Christmas. Meanwhile, Elizabeth (Krakow) - who learned in the season 5 finale that she was pregnant with the child of the now-deceased Jack (Daniel Lissing) - is preparing to give birth and teaching her students about the art of selfless giving.