Chilling Adventures of Sabrina is an adaptation of the original Sabrina the Teenage Witch, a dark coming-of-age story about the origins and adventures of a young witch, filled with elements of horror, the occult, and, of course, witchcraft. In Part Three, Sabrina recovers from the tragic events of Part Two. Although she has defeated her father, Lucifer, the Dark Lord remains trapped in the body of her beloved boyfriend, Nicholas Scratch. Sabrina cannot face herself, knowing that Nick made the ultimate sacrifice and is suffering in Hell, closely watched by Madam Satan. So, with the help of her human friends, the "Fright Club" (consisting of Harvey, Rosalyn, and Theo), Sabrina decides to rescue him from eternal damnation and bring him back to her. However, the Dark Lord's abdication sends shockwaves through the kingdom, and with the throne vacant, Sabrina must be crowned "Queen" to fight the challenger, the handsome Prince of Hell, Caliban. Meanwhile, in Greendale, a mysterious carnival rolls into town, bringing with it a threat to the Spellmans and the coven: a tribe of pagans looking to resurrect an ancient evil…