The Siren is a standalone novel by Tiffany Reisz. It follows the story of Nora Sutherlin, a successful erotica writer who is also a professional dominatrix. When her editor asks her to write a vanilla romance novel, Nora finds herself torn between her professional life and her own desires. The book delves into the world of BDSM, exploring themes of control, submission, and the complexities of love.