With the aid of a wealthy erratic tippler, a dewy-eyed tramp who has fallen in love with a sightless flower girl accumulates money to be able to help her medically.
The Gangster Macheath secretly marries the daughter of beggar king Peachum. When Peachum finds out, he instructs the police chief Brown to arrest and hang Macheath. If not, all the beggars of Soho will disturb the upcoming coronation.