Sofie falls in with a shady self-help group. Ameer grows desperate as he tries to get his family to Australia. Cam takes a job at the detention facility.
As Sofie clings to her new identity, Cam comes to terms with his duties at Barton, Ameer arrives in detention, and Clare attempts to quell a protest.
While Clare looks for a leak inside the facility, Cam faces a moral dilemma over a guard's use of force. Ameer and Sofie grapple with personal traumas.
An escape attempt during a protest outside Barton forces Cam to choose sides. The arrival of a detainee troubles Ameer. Sofie tries to outrun her past.
Amid flaring tensions at Barton, Sofie's mental state spirals, Cam's job stresses upset his home life, and Ameer's visa application raises questions.
With Sofie's sister narrowing down her whereabouts, Cam's control frays, Clare's conscience chafes, and Ameer struggles with an agonizing decision.