When Klara, an Artificial Friend who wants nothing more than to find the perfect home, meets Josie, each immediately senses a kindred spirit in the other. Josie has a fraught relationship with her mother and they've suffered great loss, but Klara's innocent wonder and unwavering loyalty begin to heal the family and bring light to Josie's complicated world.

An English teacher begins to hear a low humming sound that no one else around her can hear.