A wedding in Hope Valley leads every couple to evaluate their relationships. Rosemary discovers there is more happening in Hope Valley than everyone realizes, and she decides to get to the bottom of it.
When Allie and Oliver discover a threat, Rosemary invites the kids to debate Lucas on the radio. Bill interrogates a suspect with an old friend's help. Elizabeth fights a cold.
Cassie has made a checklist for the wedding, which includes finding a dress and Sam finding the right tuxedo. She has already asked Abigail to do the flowers, who has agreed to take the job.
After a foolish comment, Carson must admit that he cares more about Faith. The charming new saloon owner, Lucas Bouchard, causes a stir. Elizabeth teaches self-confidence, and Abigail takes a risk on the stock market with Gowen.
With the mine reopening imminent, Gowen decides to take drastic measures to make sure it stays closed. Elizabeth and Lucas struggle to communicate with each other. Lucas gets out of town to clear his head.
Elizabeth and Rosemary don't agree about how best to share unsettling news in the town regarding the coal mines, but that's put behind them when Rosemary hears even more shocking news.
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.
Elizabeth and Nathan try to resolve their differences. Rosemary learns a secret about Lee’s past. Elizabeth feels betrayed by Lucas, but helps him get the oil company’s financial records from Gowen.
Tourists start arriving, including the St. Johns, who may prove to be trouble for Bill. Meanwhile, Elizabeth rallies all Rosemary's friends to plan the perfect baby shower.
