The sole survivor of a murderous ambush, a Belfast police detective is forced into a desperate search for a mysterious informer that takes him to a holy island on Lough Derg, a place shrouded in strange mists and hazy rain, where nothing is as it first appears to be....

The sole survivor of a murderous ambush, a Belfast police detective is forced into a desperate search for a mysterious informer that takes him to a holy island on Lough Derg, a place shrouded in strange mists and hazy rain, where nothing is as it first appears to be....