Fifty Shades Darker is a 2017 American erotic romantic drama film directed by James Foley and written by Niall Leonard, based on E. L. James's 2012 novel of the same name. Produced by Michael De Luca Productions and Trigger Street Productions, and distributed by Universal Pictures, it is the second installment in the Fifty Shades film series and the sequel to the 2015 film Fifty Shades of Grey. The film stars Dakota Johnson and Jamie Dornan as Anastasia Steele and Christian Grey, respectively, with Eric Johnson, Eloise Mumford, Bella Heathcote, Rita Ora, Luke Grimes, Victor Rasuk, Kim Basinger, and Marcia Gay Harden in supporting roles. It follows Ana and Christian as they must decide to rekindle their relationship, this time with "no rules, no punishments, and no more secrets" terms.

Erika Mitchell, known by her pen name E. L. James, is a British author. She wrote the best-selling Fifty Shades series of erotic romance novels, which spawned a multimedia franchise including a film trilogy of the same name. Prior to this, she wrote the Twilight fan fiction "Master of the Universe" that served as the basis for the Fifty Shades series under the web name Snowqueens Icedragon. In 2019 she published her first book unconnected with the fictional world of Fifty Shades, The Mister, to negative critical reaction.