Elizabeth has finally realized who she's supposed to be with. Big changes are coming to Hope Valley. The town rallies together to say goodbye and good luck to one of its own.

Change is in the air for Hope Valley with the foundry to be built and the upcoming mayoral election. Elizabeth arrives home from a trip to Hamilton. A potential investor arrives in town to discuss the oil business with Lucas.

Elizabeth's book is finally published and it’s the talk of the town. Lucas plans a surprise party to celebrate the event, but some bad book reviews have Elizabeth in a less social mood.

Elizabeth sees a new side of Lucas when a flu bug leaves her without a babysitter, and he volunteers to watch Little Jack.

Lee writes a new editorial in the Valley Voice. Gowen worries about the oil company’s intentions now that Fiona has all but secured a deal with investors.

Hope Valley faces an economic downturn together. Meanwhile, Elizabeth and Bill learn that the children of Hope Valley have made a discovery that could change the future of the town.

Everyone is buzzing with talk of the Hot Springs and how it will help the town. Meanwhile, Elizabeth and Lucas host Aunt Agatha and Julie on an interesting visit to Hope Valley.

Everyone helps Rosemary as the Governor visits early. Meanwhile, Nathan is called away to help with land trouble only to find himself in unexpected danger and with surprising intel.

Elizabeth turns over a new leaf. Nathan returns home from an investigation, and Bill questions its outcome. Rosemary chases a scoop. Lucas make a surprise announcement.

Elizabeth and Allie plan a birthday party for Nathan. Lee and Rosemary weigh business responsibilities against family time. Lucas settles into his role as governor.

Rosemary and Bill team up to investigate a case they believe shouldn't be closed. The women of Hope Valley start a day care. Hickam and Mei celebrate a milestone.

It's Easter in Hope Valley. Elizabeth organizes an egg hunt with help from Nathan. A visitor from Lucas's past gets the town talking. Angela and Cooper seek to mend a relationship.

Elizabeth receives a sentimental surprise in time for Little Jack's first day of school. Nathan trains a new Mountie cadet. Rosemary and Lee make a landmark decision.

Elizabeth helps Allie plan a birthday dance, and Nathan struggles with Allie growing up. Rosemary and Bill team up again to investigate a train robbery. Lucas lends Edie a hand.

As graduation approaches, Elizabeth and Nathan plan for a happy summer together. Lucas and Edie race Rosemary and Bill to find the gold. The town plans a sweet surprise for Minnie.