When a train derailment delays the arrival of much needed food, supplies and gifts, Christmas in the town of Hope Valley is in jeopardy. With the help from a mysterious visitor, a simple peddler who has a knack for helping people find what they need, Jack, Elizabeth, and Abigail rally the town residents to come together in the true spirit of giving, proving that Christmas really is the season for miracles.

After a landslide puts one of Hope Valley's own in grave danger, the strength of a town is tested.

Jack's mom visits and makes life difficult for Elizabeth. Meanwhile, Rosemary plans her dream wedding, but the weather is not cooperating with her.

Abigail endures anguish when the children's aunt arrives and a parting seems inevitable. However, while staying in Hope Valley in which she spends time getting to know Cody and Becky, the citizens of Hope Valley observe a powerful act of love when Charlotte realizes that what is best for them is to stay with Abigail. Rosemary receives a movie offer that causes her to contemplate leaving Hope Valley.

Jack and Bill Avery help Lee investigate who might be sabotaging his business, with the mayor near the top of their list of suspects. Jack start thinking of his future with Elizabeth, and as a result, contemplates buying some property to build a house on. Abigail opens her home to Cody's sister Becky, who's arriving back in town following her stay in the hospital. As a result, Abigail contemplates adopting the siblings. Rosemary gets excited when a movie production company comes to town, casting for a new movie. Meanwhile, Elizabeth finds ways to get her students excited about science.

As Elizabeth struggles to start her writing about her life in Hope Valley, she is also starting to become jealous of Jack's budding friendship with Faith. Abigail aids Pastor Frank in helping nearby settlers who are down on their luck. Meanwhile, following his injury, Lee has to deal with Rosemary's overbearing protectiveness and trying to figure out who is sabotaging his lumber business.

As Abigail and Frank pursue a fledgling romance, his old gang of outlaws resort to violence in an attempt to bring him back into the fold in order to do a new job. Meanwhile, an old, attractive friend of Jack's arrives in Hope Valley to help take care of Lee following an accident at the mill; resulting in Elizabeth getting jealous of their friendship.

The townsfolk turn on Frank when they learn he's a fugitive, but Abigail tries to help him by reminding them that a person can change.

Elizabeth acquires her own home, which is a surprise to Jack. Elsewhere, Gowen's selfish plot is unearthed by Abigail; and Frank realizes he can no longer outrun his past.