Spanish horror sequel. Picking up the action 15 minutes after the point where the original 2007 film left off, the plot follows a medical officer & a SWAT team armed with video cameras as they enter the quarantined apartment building in an attempt to neutralise the situation. They are at first relieved to find that the mysterious & deadly virus appears to be carried in the blood & not in the air
- but in order to 'cure' the infected blood they must first locate those who have become possessed...