Join Martha as she takes her family on this delightful train ride to celebrate the holidays. But as they enjoy the festive ride and drink hot chocolate, things come to a screeching halt when they realize that a little Amish girl—Addie Wilson—is missing! As everyone frantically searches for the missing girl, clues lead them to wonder…did she simply wander off? Or was she taken? With the help of her sisters, Elizabeth and Mary, Martha will do whatever it takes to help the Amish family find their little one. With the holidays approaching, Martha is glad to have her son Craig and his two sons visit for Christmas, but her grandson Dylan is acting moody and subdued. Can Martha get to the bottom of his sour attitude? Meanwhile, Mary and Elizabeth are learning to navigate Christmas in their new relationships. Can they find a way to balance their family traditions with making some new memories?