A strange virus has resurfaced in the Serengeti, not seen since the Second World War, infecting man and beast alike. Its victims soon become violent, viciously attacking anything that wanders into their path. Logan Reed, a former Australian Special Forces soldier turned African game warden, is at the front line of this disastrous outbreak. Together with his team, including his sister, a Serengeti Zoologist, Logan searches for clues to the contagion's origin in hopes that knowing where it came from will help them stop it. And they'd better hurry. It's spreading...