Warning: wikipedia contains spoilers
The plot concerns a merchant, Mr Sterling, who wants to marry off his elder daughter to Sir John Melvil, who is actually in love with her younger sister, Fanny. Fanny, however, is in love with a humble clerk, Lovewell, whom she has secretly married. Her attempts to extricate herself from the arrangement with Melvil lead to her becoming the proposed bride of Melvil's elderly uncle, Lord Ogleby. When the truth comes out, Fanny and Lovewell are forgiven.