"A Demonstration" is a monster film with no monsters. Inspired by the existence of taxonomies of monsters at the heart of Early Modern European science, the film explores and reinterprets a way of seeing the natural world that is almost impossible to imagine from today's vantage point. Early Modern naturalists were guided by a logic in which scientific truths were discovered through visual analogy. The word 'monster' comes from the latin 'monstrare', meaning to show, to reveal, to demonstrate. "A Demonstration" picks up on these themes in a poetic exploration of the boundaries of sight and the metamorphosis of form.