The arrival of Lucas' mother makes Elizabeth more than a little nervous; Lee injures his back.

Everyone in Hope Valley tries to help when a geyser erupts at the oil rig.

Nathan starts to question his own actions as the inquiry begins.

Rosemary and Lee adjust to having family in town, while a letter from Dottie upsets the Coulters.

Elizabeth wonders if she's ready to let love in again, while Rosemary wonders what her purpose is.

A health scare has everyone in Hope Valley worried about one of their own.

Elizabeth focuses on teaching Angela how to read braille. Rosemary and Lee struggle to give Rachel the freedom she was promised in Hope Valley. Bill feels displaced when he's asked to finally return his Mountie uniform.

Elizabeth is distraught over the reveal of Nathan's secret. Everyone helps a couple prepare for their wedding. The bachelor and bachelorette parties stir up mixed emotions from the guests. A mysterious businessman arrives in town.

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.

Landis, the school inspector, arrives in town and causes trouble for Elizabeth. Rosemary finds her calling; a search is called when one of Hope Valley's residents is lost. Carson and Faith's relationship is put to the test.

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.