In the lush green hills beyond Florence sits the Villa Medici—a graceful pensione surrounded by manicured gardens. Rachel, a college student from an unfashionable London suburb, can’t believe her luck in landing a summer job here. Especially when she’s drawn into a circle of privileged young sophisticates, including her glamorous coworker Diana, who promises to help Rachel win the affections of handsome, confident Sebastian. But as champagne...