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.

The making of The Descent (2005) as part of DVD extras

The Making of 'Doomsday'

Student Alice Jeffries (Anne Jensen) is on vacation in Mexico with her friend Carmen. When the two girls are arrested by the local police for drug possession, the U.S. Drug Enforcement Administration (DEA) gets involved and quickly discovers that the Mexican authorities are unusually uncooperative. It's suspected that Alice was not arrested by chance, because after all she is the daughter of the Californian governor. The governor now pulls all the strings to free his little daughter and does not hesitate to send US agents to Mexico.