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.

Elizabeth holds a christening for baby Jack during the excitement of Founder's Day Weekend. Meanwhile, Jesse plans a surprise for Clara

Elizabeth faces danger when strangers come to Hope Valley to collect a debt from Lucas.  Lee's business suffers when Gowen hires his top employees away. Meanwhile, Rosemary hosts some out of town visitors, and finds that their help disturbs her otherwise peaceful domestic bliss.

Elizabeth receives unexpected help from Lucas in her mission to create a town library.  Jesse and Gowen continue to have conflict. Meanwhile, Bill and Nathan apprehend an infamous outlaw and Rosemary and Lee have an overdue talk.

Elizabeth helps Nathan's niece open up to her classmates, and learns more about Nathan in the process. Rosemary debates sharing a struggle with Lee.  Carson helps Faith connect with her estranged father.  Meanwhile, Fiona trains Florence at the town switchboard, and quickly realizes she has her work cut out for her.

Elizabeth steps in to help Nathan's strong-willed niece connect with her new classmates.  Bill contemplates an interesting job offer.  Gowen makes a compelling offer of his own to Jesse and Clara.  Meanwhile, Carson and Faith grow closer.

When a new Mountie, Nathan Grant, comes to Hope Valley, Elizabeth confronts her memories, and Bill reluctantly teams up with him to investigate a suspicious robbery.  Rosemary buys a telephone, and Lee worries this new technology will contribute to his wife's gossipy tendencies. Meanwhile, Jesse's jealousy of Lucas reaches a boiling point.

Bill turns to an old friend for help tracking down gunrunners responsible for the deaths of Mounties. Elizabeth helps one of her students stand up for himself, while Abigail uses her power of persuasion when Lucas becomes an uncooperative business owner.  Rosemary and Lee help Elizabeth care for her baby but a struggle weighs on the couple. Faith and Carson reevaluate their relationship.

When Lucas, a businessman from out of town, arrives in Hope Valley, Bill investigates the mystery man with some help from a spy at the town's new switchboard. Elizabeth teaches one of her students to find his confidence. Intrigued by the stock market, Abigail solicits Gowen's investment help.

After taking time off to care for her new baby, Elizabeth returns to teaching but soon realizes she needs more support than she could have imagined.  Abigail prepares for the arrival of the telephone to Hope Valley.  Bill and Gowen enter a bidding war for the town saloon. When Rosemary senses a spark between Faith and Carson, she fans the flames trying to get a romance started.