In 2073 the wild tiger is extinct, but as a species they flourish. Gene-tweaked to make them the size of big dogs, they've becom exotic pets. Few people care if wild tigers are gone, but aged billionaire Cass Vandermeer owns tracts of Tasmania, where a few real tigers still battle to survive. In the last wilderness, Alec Fitch and Sonny Moran are rangers at war with gene smugglers and poachers.
