Followthetruestoriesoffiveoftheworld’smostcelebrated,yetendangeredanimals;penguins,chimpanzees,lions,paintedwolvesandtigers.Eachinaheroicstruggleagainstrivalsandagainsttheforcesofnature,thesefamiliesfightfortheirownsurvivalandforthefutureoftheirdynasties.