"A whole lot's changed," he solemnly adds later.
Haunted by memories of his life before prison, things get more complicated for Palmer when his wild neighbour Shelly disappears on a bender, and he and Vivian are tasked with looking after her gender non-conforming 7-year-old son Sam.
Just as the unlikely pair start to bond though, Sam's mother rocks up again – something which threatens not only Palmer's relationship with Sam but also his newfound freedom, as he takes the youngster's well-being into his own hands.
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"I can't abandon that boy," he states, as he's carted off to the police station in the promo.