Georgie Codd is scared of fish. Really, really scared.

Loving the sea and resenting her phobia, she plots to cross continents, learn to dive and swim with the world’s biggest fish: the mighty whale shark.

Georgie soon plunges into a realm of strange creatures and intrepid diving adventurers. But as her quest to fight fear expands over oceans, the shark remains elusive, and everything else starts to fall apart around her.