Act IV. Fête at _Dulcinée's_. To the astonishment of all _Don
Quichotte_ and _Sancho_ put in their appearance. _Dulcinée_, overjoyed at the return of the necklace, embraces the Knight. He entreats her to marry him at once. Touched by his devotion, _Dulcinée_ disillusions him as to the kind of woman she is.