When their father invites a mail-order bride to come live with them in their prairie home, Caleb and Anna are captivated by their new mother and hope that she will stay.

As her family gathers for the wedding of her sister Anna, fourth-grader Cassie Whiting sees the many changes brought about by everyday life and finds comfort in the love of those around her, especially her grandfather.

Eight-year-old Cassie Witting is upset when she finds out that her mother, Sarah, is expecting a baby, but writing in the journal that belonged to her brother Caleb helps her sort out her feelings and understand that Sarah will always love her.