Sheltered since early childhood, the 17-year-old Katie Price lives with a life-threatening sensitivity to sunlight. During the day she is housebound. But it is after dark that Katie’s world opens up and she ventures out to the local train station to play her guitar for travelers. One night, she meets Charlie, an ex-high school all-star athlete, whom she has secretly admired for years. She hides her condition from him and the two begin a uniquely powerful romance.