Neuroscientist Alvaro Cruz finds himself haunted by a recurring dream of a banjo player in an elusive cornfield, leading him on a personal quest to uncover the mysterious past of a New Orleans street singer known as Una Vida. Stricken with Alzheimer's, she can only offer tantalizing clues about her past through her mesmerizing vocals, incredible recollection of jazz lyrics and the occasional verbal revisiting of a fascinating life that's fading quickly into the recess of her mind. As Cruz searches for Una Vida's true identity, he learns profound lessons about the human psyche, the nature of memory and himself.