Young teacher Elizabeth Thatcher who trades high society life for a classroom post in the prairie, determined to prove she is brave enough to live on her own. She learns through her aunt’s secret diary that she had been a pioneer woman herself, and uses it as a guide to embark on her own adventures.

The townsfolk celebrate the New Year, which allows Jack and Elizabeth to make a fresh start. Meanwhile, Rosemary and Lee have a new adventure and Pastor Hogan runs into an unwelcome visitor from his past.

An intriguing peddler comes to Hope Valley selling the townspeople his wares and teaching them valuable lessons about joy and giving. And when the townspeople realize that the recently displaced settlers in the area will not have a proper Christmas, they come together to create a special holiday celebration — including a Nativity presentation from the schoolchildren — that will infuse everyone with the true spirit of Christmas.

Elizabeth’s fiancé, Jack, surprises her, coming on home on leave and bringing a young Mountie desperately searching for Christmas inspiration. The community of Hope Valley works together to aid this young man with the help of an enchanted Wishing Tree. And as mayor, Abigail is pretty busy. Recognizing that, her newly adopted son, Cody, engages classmates in creating the town’s annual Christmas Celebration. While Sheriff Bill Avery forges a relationship with the disgraced former mayor, Henry Gowen, Rosemary and Lee are reminded that family is the true meaning of Christmas.

As a snowy winter and the Christmas season approach the idyllic Canadian town of Hope Valley, a widowed Elizabeth is preparing for the birth of her baby, and she's turning to her close friends, Abigail and Rosemary, for some help and support through her pregnancy journey.

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.