《三分钱歌剧》通过生动的音乐和戏剧化的表现，揭示了社会的不公与人性的复杂。养敌为患原著小说

　　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.