The Bamboo Kingdom is once again safely led by guidance of a real Dragon Speaker--three Dragon Speakers, in fact! But a troubling vision from the Great Dragon warns of a "Dark Sun" coming soon. And while Rain, Leaf, and Ghost argue amongst themselves about what it means, the monkeys are hatching a plan to use this moment of uncertainty to their best advantage... Unless the pandas learn to trust each other, their biggest challenges may still lurk on...

When Jack and his sister, Annie, join a group of nineteenth-century explorers aboard the H.M.S. Challenger, they learn about the ocean, solve the mystery of its fabled sea monster, and gain compassion for their fellow creatures.