Dolphin researchers suspect the US Navy's sonar program is causing dolphin deaths. When the US Navy abducts a scientific research dolphin, a teenage dolphin researcher, Alyssa Hawk, risks getting caught to save the dolphin.
The team of people who saved Winter's life reassemble in the wake of her surrogate mother's passing in order to find her a companion so she can remain at the Clearwater Marine Hospital.
Santiago is an aging, down-on-his-luck, Cuban fisherman who, after catching nothing for nearly 3 months, hooks a huge Marlin and struggles to land it far out in the Gulf Stream.
Mahree Bok lives on a farm in South Africa. Her father is a policeman who cannot hide his joy when activist Steve Biko is caught by the South African authorities. Piper Dellums is the daughter of a US congressman from California and who lives in a nice home in Washington DC. When Mahree is chosen to spend a semester at the Dellums' house, she doesn't expect that her host family would be black. Nor do her hosts suspect that she is not a black South African.