When medical trials are pushed to their limits, the most extreme tests end up on St. Leonards Island in the north Atlantic - a re-purposed prison for some of the world's most violent criminals. But when one experiment goes wrong, the entire island becomes a terrifying, disease riddled maze for desperate survivors.
Golden Crab Films
Did You Know?
The prison is filmed in HM Prison Shepton Mallet, which located in England, it has a history of near four hundred years. See more