Giamatti é o zelador de um prédio de apartamentos que resgata uma garota da piscina. Logo ele descobre que a menina é na verdade uma personagem que sempre aparece em seus sonhos. Apartment building superintendent Cleveland Heep rescues what he thinks is a young woman from the pool he maintains. When he discovers that she is actually a character from a bedtime story who is trying to make the journey back to her home, he works with his tenants to protect his new friend from the creatures that are determined to keep her in our world.