Plot: The misty rain forests, rivers and beautiful white sand beaches of Costa Rica are home to one of the most diverse assemblages of life on Earth. Along the coast, giant crocodiles fight for the right to mate, while in the trees, troops of capuchin, squirrel and howler monkeys, as well as resplendent quetzals and beautiful songbirds, forage for food above the forest floor that is home to Hercules beetles, deadly army ants and poison dart frogs