It was the 1920s, Sydney, Australia and the gutters were running with blood as the underworld exploded in violence. Vice in the harbour city was dominated by two powerful women — Tilly Devine, a sharp-tongued cockney who ran a chain of 40 brothels, and her bitter rival Kate Leigh, an Aussie battler who'd built an empire out of sly grog, thieving and cocaine. But there was only room for one woman at the top...