Albert Chamisso, a newlywed of just a few weeks to Sarah, begins to have nightmares. Dr. Polydore Vincent helps him to get rid of the nightmares, but a strange side effect of the treatment is that his shadow is in color afterwards. He struggles with this, losing his wife and his job in the process. He moves to the outskirts of Blossfeldtstad where he meets the lovely Minna. Together they create a light show that becomes very popular in this bittersweet romantic noir tale.
