Nicholas Lidgate, the Duke of Ravenshire, needs to marry a lady who comes from a wealthy family. His father left a large sum of debt, and if he doesn't pay it off, he'll be sent to debtor's prison. He has two very important advantages. One, he is a prominent member of the Ton. Two, no one knows his secret. If he can secure a marriage to a lady from a wealthy family, all of his problems will be over.