Stoker Charlie (the diminutive Drake) helps 150 Wrens under Superintendent Maxine Audley, who've hijacked a frigate, HMS 'Huntress', to prove they're the equal of their male counterparts.
Barbara is the long-lost sister of no-good Mike Roscoe. Paula Brown is the stripper whom Mike hires to pose as Barbara. It's all part of a scheme to fool Mike's ex-convict dad Sam. Son hopes to entice father into revealing the whereabouts of his stolen money, and Paula is hopefully going to do the trick.