When a sweet dolphin brings two girls from very different worlds together, it looks like they might make their dreams come true . . . together. Maria helps Avery battle her fear of the ocean. And Avery encourages Maria to share her art with the world. But family expectations could tear their new friendship apart. Then the girls discover their special dolphin is in trouble. Can they overcome their differences to help the dolphin -- and each other -- before it's too late?