Detective Rebecca Madsen and Alcatraz historian "Doctor Diego Soto" team up with a secret agency that is dedicated to finding and catching inmates from the infamous prison who went missing 50 years ago and are reappearing today.
When a sniper begins targeting young victims, "Detective Rebecca Madsen" Alcatraz historian "Doctor Diego Soto" and enigmatic government agent "Emerson Hauser" must retrace the steps of the past in order to solve this modern day mystery.
When child killer Kit Nelson, a terrifying kidnapper who always returns his victims home - after he's killed them - reappears from the past, the team is in a race against time to catch the man before he kills again
When a bank robbing criminal returns from the past and things go wrong in the present, Rebecca has to break him out of the hostage-filled bank before people can find out who he is
Guy Hastings, an Alcatraz guard, reappears. Although a good man, Hastings is being asked to do bad things and will come face-to-face with an old acquaintance.
When our unlikely trio tracks former inmate Paxton Petty, a sick landmine bomber who has returned only to place bombs throughout populated areas of San Francisco, methods of the past are applied to the present.
Madsen and Hauser hunt down Johnny McKee a former Alcatraz inmate and vicious killer with a background in chemistry. It's a race against time before McKee horrifically poisons more innocent victims. Meanwhile, more details emerge about Madsen's grandfather.
Two of Alcatraz's most violent brothers, Herman and Pinky Ames, who were notorious for nearly escaping in 1963, find something mysteriously amiss when they return to Alcatraz in the present day.
"Doc" and Rebecca close in on a man who may be the key to revealing the secrets behind all the returning criminals. Meanwhile, Hauser makes a discovery beneath the halls of Alcatraz that brings him ever closer to the truth.