When a tourist catamaran explodes off the coast of the Hawaiian island of Kauai, Kaia Oana and her trained dolphin, Nani, rush to aid the search and rescue effort. After hours of searching, an exhausted Kaia is pulled from the water by Lieutenant Commander Jesse Matthews of the U.S. Navy. Lieutenant Matthews is accustomed to following protocol—and a civilian-dolphin rescue is not typical operating procedure. But when his colleagues ignore the possibility...