After her mother lost her dog, Simone, out of protests cuts off her hair. Later when she arrives at her new school, Simone, is mistaken as a boy. Simone decides not to correct her teacher and pretend she's a boy.
For gym, the students have to take swimming lessons at the pool. Simone, after trying to go into the girls' locker-room is forced to use the boys' locker-room by the gym teacher.