Dario and the whale

When Dario and his mother move to Cape Cod from Brazil, Dario has a hard time making friends since he doesn't speak English well. But one day Dario meets someone else who has just arrived in New England and he doesn't speak any English at all ... because he's a right whale! Day after day Dario and the whale meet at the beach. But what will happen when it's time for the whale to migrate?