Unnoticed from the rest of the world, in Peru every year a minimum of 15,000 dolphins are killed by humans. This problem stems from poverty. The fishermen sell the meat as “Chancho Marino” (“sea-pig”) on the local markets. The film is on dolphins, and the humans who fight for their survival. These activists are, in a special way, a “community of destiny”: the fish in the world’s former richest fishing grounds - once for both, the basis of existence - is gone. The German biologist Stefan Austermuehle and his Peruvian wife Nina Pardo fight a tremendous battle against the seemingly permanent dolphin slaughter - in an unusual and sustainable way: undercover research with hidden cameras, operations against the dealers together with the police, but most of all the training of the fishermen to become tourist guides for dolphin watching. Through these efforts, they can change the lives of the dolphins and of themselves. By bringing the fishermen new sources of income, the “partnership” between man and animal will also secure the dolphins survival - along the cost as well as in the rainforest, where the Peruvian pink river dolphins also seem to be highly endangered....