Paul visits Mexico to have his worst fears about the railway construction confirmed. Returning to London he decides to confront Melmotte and resolve his romantic situation. Melmotte involves himself in increasingly ambitious business schemes while Felix gets himself into further trouble and Hetta recieves some devastating news.

Melmotte reaches the highest echelons of London society but the wolves are beginning to gather at his door. Paul takes his chance to act and Felix comes face to face with some tough opposition, while Hetta contemplates settling for second best. Climaxing in love lost, love gained, a death and some just desserts.