For many generations， the men in Alexandra's family have been sponge divers -- first on the Greek island of Kalymnos and now in the Florida village of Tarpon Springs. Diving has always been considered a man's job by Alexandra's family -- dangerous and demanding. But when tragedy strikes， Alexandra decides to become a sponge diver herself despite her family's objections. And she learns that as dangerous as the underwater world can be， there are always more dangers waiting on shore . . .