Frances never imagined her journal would become a gateway to madness. Filled with visions of a tentacled deity, the passages weren't meant for her husband's eyes, but secrets have a way of clawing their way to the surface.

Once Donnie uncovers Frances' journal, he tries to salvage her sanity and their marriage. Yet, Frances slips further into the abyss, finding solace in an online community of followers who revel in the details of her other-worldly encounters.

When a cloaked visitor unveils Frances' intimate link to Cthulhu-a connection that transcends time-validation becomes an obsession. Frances resolves to awaken the ancient creature who beckons her, plunging herself and her followers into the heart of a modern nightmare.

To reach Cthulhu's isle, Frances must unite her devoted followers with the elusive Cthulhu Cultists on a perilous voyage to R'lyeh. In this dark odyssey, deception, betrayal, and unspoken horrors await, echoing the chilling legacy of Lovecraft's original masterpiece, "The Call of Cthulhu."