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. Then, revealing doors are opened and lives hang in the balance as Rebecca will stop at nothing in pursuit of the man who killed her partner.


Guest stars: Greg Ellis (Garrett Sitllmann) & David Hoflin (Tommy Madsen)

Cast: Sarah Jones as Detective Rebecca Madsen; Jorge Garcia as Dr. Diego Soto; Sam Neill as Emerson Hauser; Parminder Nagra as Lucy Banerjee; Robert Forster as Ray Archer; Jonny Coyne as Warden Edwin James; Jason Butler Harner as Associate Warden ED Tiller.