Niles follows Frasier's advice to stand up to Maris, but she responds by asking for a divorce.
Frasier learns that Niles's wife may be having an affair with her fencing instructor.
When Niles asks Frasier whether he and Maris belong together, Frasier goes out of his way to give his brother an honest, thoughtful response.
Maris uses Niles as a decoy to flee the country and murder trial.
A fellow nanny's retirement causes Fran to worry about her own future.
