Sophie Edgar barely recognizes her husband, Thomas, an amateur naturalist, when he returns from the Amazon, where he had hoped to find his long-dreamed-of mythical butterfly, Papilio sophia. The optimistic young Edwardian gentleman is gone, replaced by a weak, nearly mute shadow of the man she married. Unable to break through his heartbreaking silence, Sophie must glean what she can from his diaries and boxes of exquisite butterflies in order to discover what happened to Thomas in the lush and perilous jungles of Brazil. In the process, she learns as much about herself and her...