Boo Boom - The long way home "A springtime of war"

Central Italy, spring 1944. A little boy and his family are forced to flee their home because of war. Their truck is attacked by an air raid, and the boy is separated from his parents. A horse named Boldsteed finds the dazed boy. Being shell-shocked, all the little boy can say is "Boo Boom", so that's what the horse decides to call him: Boo Boom. They also bump into Aurelia, an alley cat, and together they embark on the journey to reunite the boy with his parents...