After a plane crash, two opposing half-brothers find themselves on an amazing lost island where enlightened pacifist humans and intelligent talking dinosaurs have created a utopian medieval society. But imminent disaster approaches.
The citizens of Waterfall City flee for the tenuous safety of Earthfarm, abandoning their city to the dangerous Outsiders - who discover the key to Dinotopias future and threaten its survival.
The line between fantasy and reality blurs when an actress begins behaving like the 19th-century murderer she is playing.