Betty impulsively asks her orthodontist, Dr. Farkas, to be her date when Henry insists she come to Charlie's birthday party. Meanwhile, Wilhelmina tries to drive a wedge between Daniel and Alexis when Daniel hides the fact that he's the one who hired Grace Chin to defend their dad -- whom Alexis wants to fry -- and Amanda catches the eye of a very unusual designer who declares she's his "muse."