Sarah -- Bean to her friends and family -- is an aspiring astronomer and champion mathlete. She lives behind her beloved telescope, with her head in the stars and her feet planted firmly on the ground. For as long as she can remember, she's also lived in the shadow of her beautiful older sister, Scarlett. But after a traumatic end to the school year, Sarah goes to Cape Cod for the summer with her family, determined to grow up. It's there that she...