Belle Gibson became one of Instagram’s most popular wellness influencers in the early 2010s. She claimed to have cured her malignant brain cancer through a healthy diet and alternative medicine. According to Gibson,

The is billed as a “true-ish story based on a lie" and is inspired by a 2017 book, “The Woman Who Fooled the World,” by two investigative journalists, Beau Donelly and Nick Toscano, who explored Gibson’s deception.