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.
The inquiry begins, and Nathan starts to question his own actions. Meanwhile, a new family, the Canfields, buy Gowen's cabin and Elizabeth welcomes them to Hope Valley. Lee's sister and niece arrive in Hope Valley.
When Nick arrives back in Port Haven, Del throws a party like old times. Alice has to keep her distance from Young Colton and Del, but tries to learn more.
Elizabeth and Jack face a life-threatening experience together and finally discover the truth about what has been keeping them apart. Later, all of Hope Valley witnesses a shocking arrest and an unexpected proposal.
Hickam and Lee clash with the mayor of Benson Hills, and Gowen suggests a solution with huge implications for the town. Elizabeth and Nathan clear up a misunderstanding.
