To everyone who knows her, Annalise Decker is a model wife and mother. No one knows that she 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. When Agent Frank Harrison arrives with news that the man she testified against is out on bail and out for revenge, Annalise is forced to face the consequences of her secrets.