Legend tells of the Lone Centurion - a mysterious figure dressed as a Roman soldier who stood guard over the Pandorica, warning off those who would attempt to open it; a constant warrior whose story appeared in the folk history of a dozen civilisations.
Only... he seems to have misplaced it.
Following the Pandorica to Rome and beyond, Rory Williams finds himself becoming part of an alternative history.
These are the adventures of the Lone Centurion.
More story details to follow.