Seventeen-year-old Emma Nolan wants only one thing before she graduates: to dance with her girlfriend at the senior prom. But in her small town of Edgewater, Indiana, that's like asking for the moon. Alyssa Greene is her high school's "it" girl: popular, head of the student council, and daughter of the PTA president. She also has a secret. She's been dating Emma for the last year and a half. When word gets out that Emma plans to bring a girl as her...