The final "dark of the moon" before the rising of the light at the Vernal Equinox brings danger to the Pacific Northwest. Detective Gus Collier, his ghostly partner Sarah Allen, and their fellow seventh-sevenths face yet another supernatural invasion as demonic pirates threaten the Oregon Coast. Gus and his team are all that stand between the residents of the Columbia Gorge and horrific death. Will they be able to stop the piratical demon horde? The events of that single, moonless night will tell the tale.