The Boffins inherit a fortune when John Harmon, the only son and heir of their old employer, apparently drowns. A death brings Eugene Wrayburn into the life of Lizzie Hexam.

Lizzie finds herself being pursued by two suitors who become bitter rivals. Meanwhile, she finds a home.

Mr Boffin becomes a miser. Bella Wilfer marries John Rokesmith. Eugene Wrayburn tracks down Lizzie Hexam, then Bradley Headstone attacks Eugene and leaves him for dead.

Eugene marries Lizzie and Bella finds out her husband is John Harmon. Mr Boffin admits his change of personality was to test her character. Bradley Headstone and Riderhood drown.