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In the action-packed new thriller from writer/director Neil Marshall ("The Descent"), authorities brutally quarantine a country as it succumbs to fear and chaos when a virus strikes. The literal walling-off works for three decades – until the dreaded Reaper virus violently resurfaces in a major city. An elite group of specialists, captained by Eden Sinclair (Rhona Mitra), 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.