Death on the Holy Mountain

The year is 1905 and Powerscourt is sent to Ireland to investigate a series of art thefts from stately houses. Motive troubles Powerscourt; were these robberies merely for gain? A number of Old Masters had been left untouched and the ones taken were all ancient family portraits of the aristocratic Protestant gentry. Are these thefts political?

Then, astonishingly, some of the portraits begin to return - but with altered faces; the aristocrats' being replaced by those from the estates and tow...