In a housebound detective's quest to solve the enigmatic disappearance of a reclusive scholar, the line between sanity and madness blurs as they confront the dark truths of an ancient city and the tentacles of R'lyeh....

In a world on the brink of chaos, a scholar's quest for forbidden knowledge leads him into the heart of Terra and R'lyeh, where ancient secrets and the dread of the cosmic beings wait to be unleashed....