Boston 1926. Francis Thurston goes through documents left behind by his grandfathers brother recently deceased under mysterious circumstances. He soon discovers the existence of a cult that worships ancient and unspeakable horrors. Mysterious murders blood rituals in the depths of the Louisiana swamps artists who descend into insanity after nightmarish visions and a Cyclopean city that rises from the sea. Step by step Thurston realizes that his relatives research got too close to the truth. In t