Years ago when the most dangerous prisoners of Alcatraz mysteriously disappeared, they resurface in the present day as part of a larger conspiracy, leaving a police detective, an expert on Alcatraz and an FBI agent to track them down.

When a sniper begins targeting young victims, the team is forced to retrace the steps of the past in order to solve this modern day mystery.

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.