Izzy Kline is nervous about her first day of fourth grade. Her class will be performing Free to Be... You and Me-- and Izzy really wants a starring role. Her parents are divorced now, and Dad's girlfriend is the art teacher. And her new best friend, Quinn, might be having a cancer relapse. There are plenty of reasons for her to feel the butterflies in her stomach Izzy Kline is nervous about her first day of fourth grade, and with new changes at home, there are plenty of reasons for her to feel the butterflies in her stomach.