When lonely office worker Casper is stood up by his date, he finds himself in a warehouse harboring an abandoned mirror, in which he is confronted by a reflection of a strange woman, Iro, in place of himself. He soon learns from expert Dr Luoma, a physicist struggling to win back her reputation due to her wayward theories, that there is more to Iro than meets the eye and that she is arguably a real person, not just a figment of Casper's imagination mimicking his movements and facial expressions....