Fifty Shades is an adult erotic BDSM romance franchise created by British writer E. L. James.
It originated as a fanfic for the young-adult teen romance novel series Twilight by American author Stephenie Meyer.
That story was turned into a full-length novel titled Fifty Shades of Grey.
Anastasia Steele, a young college graduate, meets Christian Grey, a young business mogul, and becomes his submissive partner.
It was originally called Master of the Universe and written as Snowdragons Icequeen.