PLAN B, a musical comedy in one act, tells the story of a young scientist named Johnny who is working on the Perfect Woman, a robot named Isabel. Old man Jack, his boss at the lab, makes fun of Johnny for his youthful idealism but secretly admires the perfect robot, who is much easier to control than his daughter Julia, the foul-mouthed garbage woman at the lab who knows a thing or two about science. Julia helps Johnny build Isabel, secretly trying to win him over and prove to him that only a real woman can in fact be perfect.