A local Indigenous politician is recruited to the senate by the Australian Prime Minister after a contentious video goes viral.

Alex Irving is back, but this time she's doing things her way. Can the ultimate outsider find a new way in and take control of a political establishment determined to shake everything she values?

Two years on since the explosive events of the second season, outsider turned kingmaker, Alex Irving, is now completely at home in the nation's capital. She's at the centre of power, holding the Government on a short leash, but it's taking a toll.