Mankind is no longer at the top of the food chain.

The Sixth Extinction is an apocalyptic tale about a pandemic that sweeps the globe, decimating the human race, leaving humanity struggling to survive. Within three weeks everything has changed. Social structure has collapsed. The police are non-existent, and the army concentrates on the cities. Gangs of yobs rule the streets. It becomes everyone for themselves.

The story follows three different people, and their journeys of self-discovery through the changing world.

Noah Morgan is just an average twenty-one-year-old. He has no aspirations in life, no girlfriend, few friends, and a dead-end job. Red is a nineteen-year-old female runaway, with a sad past and a disturbing secret. Together they leave behind everything they have ever known, looking for a safe haven.

Doctor Melanie Lazaro is working around the clock, under military supervision, in Exeter University's Biomedical Sciences Department, trying to create a cure for the new pandemic that is turning humans back to their primordial roots, creating mindless killing machines with only one purpose − to eat.