While on a family outing to the seashore, young Kate's imagination runs wild as she dreams that she has been transformed into Donnatalee, a beautiful mermaid, who spends her days swimming with the fishes and riding the sea horses.

Working with her neighbors to transform a garbage-filled lot into a community garden, Marisol of East Hudson Street is delighted by the fruits of everyone's labors, which include her own sky-reaching plant.