Mirabell impregnated his former mistress Mrs Fainall, daughter of the formidable Lady Wishfort, then persuaded her to save her reputation and marry Fainall, who has run through her fortune and that of his mistress, Mrs Marwood who loves Mirabell. Mirabell loves Millamanat, whose aunt, Lady Wishfort, controls her fortune, which Fainall plans to take for himself by blackmailing Lady Wishfort. It's The Way of The World!