14-year old Nim (Bindi Irwin), is more determined than ever to protect her precious island and the animals that call it home. While ruthless resort developers and greedy wildlife poachers are threatening the existence she loves, Nim realizes that to save the island she will have to combine forces with an outsider, Edmund a runaway from the mainland. Only with his help does she stand a chance of stopping the villains from dismantling her world.