Drama series from the creators of Life on Mars and Ashes to Ashes following the supernatural investigations of a team of archaeologists. When analysis of a small piece of cedar wood from a dig indicates that it is 2,000 years old and originates from the Holy Land, Dr Gillian Magwilde and her team race to uncover the truth. While Magwilde surveys the site, however, a religious extremist acquires the land and declares it Holy Ground. Believing Britain is at war for its Christian soul, the fanatical Christian reawakens a force of violent modern-day crusaders.