The services of shark killer have been engaged by his brother Jake, the head of a West Coast crime ring. The gig: kill the black-finned shark that swallowed a valuable diamond during a gang transaction.

The lethal Reaper virus spreads throughout Britain—infecting millions and killing hundreds of thousands. Authorities brutally and successfully quarantine the country but, three decades later, the virus resurfaces in a major city. An elite group of specialists is urgently dispatched into the still-quarantined country to retrieve a cure by any means necessary. Shut off from the rest of the world, the unit must battle through a landscape that has become a waking nightmare.