Artemis & the Astronaut is a story about love and memory. Artemis has lost her husband Henri, once a brilliant pianist, to Alzheimer's. There was so much that was left unsaid as Henri's mind ebbed away. Today, his beloved piano will be taken away and donated to a school. As both anger and sadness fills Artemis, she hears Henri crying in the next room. When she goes to him, she finds an unexpected visitor.