Jeff Philips is working a dead end job at a call center. One day, an old man arrives at his apartment to tell him he is the last descendent of H.P. Lovecraft and must guard a relic to keep it from being reunited; if the pieces of the relic are united while the stars are in alignment, the sunken city of R'lyeh will rise from the sea and the demonic creature Cthulhu will be released upon an unsuspecting world.