Elizabeth prepares for Little Jack's first Christmas and birthday, missing Jack more than ever.  Nathan receives a prestigious job offer in Union City but weighs the downside of leaving Elizabeth and taking his niece away from Hope Valley.  Lucas holds a Christmas festival to bring some of his family's traditions to Hope Valley...and to impress Elizabeth.  A detour on his way to see Faith leads Carson to a stranger in need of his help.  Meanwhile, Rosemary and Lee search for the perfect gift for Little Jack, while Bill turns Hope Valley upside looking for a special gift that he misplaced.