When Little Jack falls ill, Elizabeth and Nathan care for him together as Hickam and Mei race to secure medicine. The kids broadcast a baseball game over the radio to lift spirits.

Jack, Elizabeth and Abigail lead the people of Hope Valley in an urgent mission to rescue trapped miners after a landslide.

Bill locates the missing witness from Gowen's case. Ray Wyatt's young nephews start school -- and trouble. A new commissary threatens Abigail's Cafe.

Jack and Elizabeth’s plan to get married is put in jeopardy and Bill has difficulties transporting a prisoner.

Helped by Jack, Bill investigates the mine explosion, while Elizabeth must decide whether to accept a job offer back East or remain in Coal Valley.

Jack and Elizabeth's reunion is threatened by the appearance of a woman from Jack's past. Abigail welcomes forensics investigator Bill Avery to town.

As a call for compassion reverberates throughout a struggling Hope Valley, Jack and Faith's friendship proves problematic for Elizabeth.

A stunning display of love becomes a source of encouragement for the whole of Hope Valley. Abigail must make a painful concession.

A new railroad route that could boost business is proposed. A baseball game helps the newer settlement students to make friends with the other pupils.

Elizabeth must coax the truth from Robert after he tells a lie about seeing a bear and becomes the town hero.

Elizabeth struggles with growing pains at the school. An old friend comes to visit Jack. Abigail's tenure as mayor is threatened. Rosemary plays matchmaker.

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.

Eager to start her life anew, Abigail concocts a bold but costly business proposition, while Elizabeth and Jack go to bat for a struggling student.

Elizabeth's visiting sister causes a stir when she brings a wounded man to town, while Jack invites Elizabeth to a romantic dinner at Abigail's café.

The townsfolk celebrate the New Year, which allows Jack and Elizabeth to make a fresh start. Meanwhile, Rosemary and Lee have a new adventure and Pastor Hogan runs into an unwelcome visitor from his past.

Abigail discovers Gowen's sordid scheme. Frank struggles with a troubled past as Elizabeth surprises Jack with the revelation of her own property.

The people of Hope Valley turn against Frank after his secret gets out. Abigail resolves to prove that past mistakes don't tell the whole story.

After Frank and Abigail show everyone in Hope Valley the value of redemption, the town becomes overrun by a gang of dangerous outlaws.

Elizabeth struggles to get along with Jack's mother, a gritty and challenging frontierswoman, after she rides into town in the night.

To raise money for new school supplies, Elizabeth and the kids throw a carnival; the carnival sheds new light and possibly even hope, on Phillip's relationship with his distant father.

Elizabeth fights to clear her name and get her job back. Jack gets some troubling news. Wyatt and the railroad continue to make problems for Hope Valley. The children have to deal with a stern new schoolteacher.

A surprising ally helps Elizabeth in her fight to get her job back. Jack does some soul-searching that may affect his relationship with Elizabeth.

A stranger's visit sheds light on Carson's mysterious past. Elizabeth gets a taste of parenthood after volunteering to baby-sit Opal for a few days.

When Carson disagrees with a doctor's opinion of Cody's sudden illness, Abigail must decide whom she trusts more and which course of action to take.

Jack returns and he and Elizabeth start planning their future. Sparks fly between Carson and a new arrival. Elizabeth teaches her students the difference between facts and speculation, and the town is put on edge when Lee can’t withdraw funds to pay his employees.