After her father returns from the war moody and tired, Marly's family decides to move from the city to Maple Hill Farm in the Pennsylvania countryside where they share many adventures which help restore their spirits and their bond with each other.

Several months after the tragic events set in motion by bully Betty Glengarry, Annabelle McBride is struck by lightning during a powerful summer storm, leaving her with heightened senses that give her a new understanding of animals and help her learn about compassion and forgiveness.

With World War II raging overseas, Toby, a shell-shocked WWI veteran, patrols the hills outside of Wolf Hollow, Pennsylvania, and no one knows why. Everyone is scared of him, except for twelve-year-old Annabelle. When new girl Betty Glengarry tries to take Annabelle's money, Toby comes to her rescue and makes the bully leave. Then Betty accuses Toby of a crime he didn't commit, so Annabelle vows to clear Toby's name.

Otto se pierde en un bosque prohibido cuando de repente se encuentra con tres misteriosas hermanas. En ese momento, su destino quedará ligado a una insólita búsqueda que entraña una profecía, una promesa y una armónica. Décadas más tarde, las vidas de Friedrich en Alemania, Mike en Pennsylvania, e Ivy en California, se conectan entre sí cuando la misma armónica llega a ellos. Estos niños se enfrentarán a grandes desafíos:...