While the former inmates of Alcatraz reappearing is a mystery in itself, apparently, an unknown presence who each prisoner has briefly interacted with is behind their "release," with each given necessary supplies to complete a random task. For instance, Cobb was given a pre-paid credit card so he could purchase a rifle and take out one member of Hauser's team. Sylvane, who woke up on Alcatraz in the present day, was given a boat ticket off the island, cash, and a key to a gym locker, where he found a gun and orders to track down....