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. A keeper
of secrets and a purveyor of lies the detective finds himself surrounded by enemies disguised
as pilgrims and is drawn deeper into the mysteries of the purgatorial island where he is
forced to confront a series of disturbing secrets and ghosts in his own life.
