Jack Cadillac

Xenozoicum: a bleak future where dinosaurs roam the Earth once more. The poacher Wrench Terhune learns of the impending arrival of an ambassador from the Wassoon tribe. Fearing that the ambassador is out to get him and his gang for the crimes they committed there, Terhune decides to assassinate the ambassador. Rumors about the plot reach Jack \"Cadillac\" Tenrec, who races against time to find and stop Terhune. The ambassador is a woman, Hannah Dundee, and she decides to stay for a while in the city.