The story of a 21st century city run by a "super trustee" and his collaborators who live in a paradise-like garden. Workers are totally enslaved by machines and condemned to live underground. In the midst of this misery, a young woman, Maria, arises and attempts to inspire the workers to throw off their oppressors.
"Set in the impoverished back alleys of Victorian London, The threepenny opera follows underworld antihero Mackie Messer (a.k.a. Mack the Knife) as he tries to woo Polly Peachum and elude the authorities"--Container.