Preparing to deliver a lecture in Pisa, Professor Horace Dorlan plans to incorporate music and performance into his scientific presentation. On the eve of his big event, however, strange things start to happen. Consciousness and reality start to shift, divergent voices speak of confusing things and questions start to mount up. Where, for instance, is his wife, and why is there a miniature musical quintet in his room, and what of the accident that afflicted him?