While reading the newspaper, The Three Bears decide to go to the opera. Also seen in the paper is the headline Experimental Fly escapes, cannot be killed. After a clip from Rabbit of Seville of the audience walking in, Bugs Bunny emerges from his dressing room and begins to conduct. In the audience, the fly lands on Papa Bear's head; Baby Bear tries to squash it with his toy wagon, but only succeeds in knocking Papa unconscious. The fly flies up to Bugs, whose conducting is ruined.