A courtship makes rivals of Martin and Frasier, who are vying for the affections of the latter's former baby-sitter, now a lounge singer with a vivacious personality and a quick wit that's appealing to both Crane senior and junior.

Jealousy agitates Martin, who learns---thanks to an eavesdropping Frasier---that his lady friend Ronee is seeing another guy. So, Martin plans a counter strategy: a pretense that Roz is his other lady friend.