The Wall They Could Not See

As Mrs. Fly buzzes in agony against The Wall They Could Not See, two of her friends, Mr. Wasp and Miss Butterfly find themselves in the same dilemma. Frantically, they try to escape as they hear the heavy footsteps approaching with a can of spray and a fly swatter. Suddenly, Mr. Wasp begins to talk to someone He discovers a secret and in that secrethe and Miss Butterfly disappear from the room. Is there time for Mrs. Fly to discover this astonishing secret in The Wall They Could Not See? Or will she keep flying against the same clear wall until the spray spurts out of the can and saturates her.