When M.J. Holliday and the crew of her cable TV show, Ghoul Getters, venture to the haunted ruins of Dunlow Castle in Ireland, drawn by the legend of hidden treasure, they hope the road will rise up to meet them, that the wind will always be at their backs—and that the resident phantom won’t push them off a cliff.

If they treasure their lives, M.J. and her ghost busters need to get the drop on the menacing phantom...