The basic plot of this book is built around the reputation the Lloyds of London insurance firm had for ensuring all manner of unlikely propositions. Lord Harrowby is advised to marry a wealthy heiress.
But, since he comes from a family of gamblers, he goes to Lloyds of London and takes an insurance policy to ensure his bride makes to the alter. But, handsome young man meets beautiful young woman and falls in love, only to discover she is the bride to be.