To raise money for new school supplies, Elizabeth and the kids throw a carnival; Abigail finalizes a deal to bring the railroad to Hope Valley and new families flock to the town with the promise of work.
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.
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.
Elizabeth has problems in her classroom when the nephews of Ray Wyatt come to her class and bully other students. Meanwhile - Lee loses his voice and Rosemary does the talking for him. Also, Bill finds AJ Foster.
Tension between Elizabeth and her new students continues. Meanwhile Lee and Rosemary fight about Rosemary learning to drive, and Abigail struggles to hold the cafe together while the railroad's commissary thrives.
Elizabeth takes Opal in while her parents are away; a newcomer to Hope Valley has some insight into Carson Shepherd's mysterious past; an unlikely turn of events puts Cody in harm's way.