It tells the true story of Victorian detective Colin McLaren who posed as a shady art dealer and infiltrated the Australian branch of the Calabrian Mafia.

Ben Hall is drawn back into bushranging by the reappearance of his old friend John Gilbert. Reforming the gang, they soon become the most wanted men in Australian history.

After recovering from a suicide attempt, Ingrid tries to prioritize her own happiness, but struggles when she falls for her best friend's girlfriend.