In contrast, Rodolphe is aggressive, calculatingly pragmatic, and sexually cynical.
As Emma tends to him, Rodolphe is taken by her beauty and begins plotting to seduce her.
He sets about becoming that lover with ruthless precision.
The representative of the local prefect arrives and gives a speech about public morality.
Emma and Rodolphe quickly begin a full-fledged affair; Emma begins sneaking away from home to see Rodolphe.
As a suitor, Rodolphe differs from Leon in terms of experience, and his seduction of Emma succeeds on the strength of his time-honed cunning.