Twenty-four-year-old Audra Carter, a deejay in Manhattan, won't let mere blindness keep her from living life her way, sometimes even riding her bicycle through town, using her keen hearing and uncanny instincts to guide her. This is all much to the dismay of her father, Jenson, a neuroscientist who has devoted his career to finding a cure for her particular form of blindness. He now believes he has. With a number of test subjects, including Audra,...