Daphne celebrates her birthday, Martin and Frasier get her a journal, and Niles gives her a trip to Hawaii, but Mrs. Moon, has been feeling depressed about her failed marriage so Niles convinces Daphne to take her mom to Hawaii while he travels to England to search for her father.
Roz meanwhile is depressed about her break-up with Roger, and is worried about showing up in Wisconsin alone, Frasier says he will go with her, and in their state of vulnerability they end up sleeping together, which Roz leaves the next morning in a hurry.
So Frasier travels to Wisconsin to talk to Roz, while Niles tries to convince Mr. Moon to return to the US with him.
So much is going on in this episode, sometimes its hard to keep up; each one of them is trying to make someone happy, Niles with Daphne, and Frasier with Roz.