Final answer:
In 'The Call of Cthulhu,' H.P. Lovecraft tells the story of Francis Wayland Thurston who discovers an ancient cult worshipping Cthulhu.
Step-by-step explanation:
“The Call of Cthulhu” is a short story by H.P. Lovecraft, which is a foundational text of the Cthulhu Mythos. The story is narrated by a man named Francis Wayland Thurston, who uncovers evidence of an ancient cult that worships the great old ones, primarily the entity known as Cthulhu. Thurston’s investigation leads him to a series of unsettling documents and testimonies that reveal the existence of Cthulhu, a colossal entity trapped beneath the sea in a sunken city called R'lyeh. Those who come into contact with the cult of Cthulhu suffer from disturbing dreams and madness, exposing a cosmic insignificance of humankind.