en Cuevana 3. Paul, aged 8, doesn't want to take his dog Paulette for a walk. Which is hardly surprising: his family's just moved to a new neighborhood and Paul doesn't like the unfamiliar - it's too risky. But, when Paulette runs off, Paul finds himself face to face with a crew of kids and their homemade treehouse-raft! Soon, it's all aboard for a mysterious mission, full of excitement and adventure...