No one knows that Annalise was once Deidre O'Reilly, a troubled young woman whose testimony put a dangerous criminal behind bars. Relocated through the Witness Security Program to the sleepy town of Deep Haven, Deidre got a new identity and a fresh start, which began when she fell in love with local real estate agent Nathan Decker. Twenty years later, Annalise couldn't be more unprepared for her past to catch up with her.