Griffith Gaunt is a tale of a poor man who makes his fortune and a fine living, but has one weakness in the form of an insane jealousy. This weakness prevents him from being happy in marriage with Catharine Peyton, a Cumberland heiress, so he leaves her, finding a new romance with a lovely innkeeper Mercy. Griffith assumes the identity of his illegitimate brother, Thomas Leicester, and marries Mer...