High school grad, Lainie Gray, is determined to lose her virginity before summer vacation ends, but with only eighty-something days left, and absolutely zero fish in her proverbial sea despite living in a major beachy tourist town, she needs a plan and fast — a "Little Black Book" to help juggle oodles of romantic dates, friends turned love interests, and a once-in-a-lifetime surprise opportunity, all while navigating her own self-discovery.