A young teacher takes a job at an unusual private school where she soon discovers that the boys have a sinister power over the girls. As the boys behaviour becomes increasingly threatening she uncovers the source of the girls fear; an ominous locked door at the back of the classroom. A young teacher takes a job at an unusual private school where she soon discovers that the boys have a sinister power over the girls. As the boys behaviour becomes increasingly threatening she uncovers the source of the girls fear; an ominous locked door at the back of the classroom. A young teacher takes a job at an unusual private school where she soon discovers that the boys have a sinister power over the girls. As the boys behaviour becomes increasingly threatening she uncovers the source of the girls fear; an ominous locked door at the back of the classroom. A young teacher takes a job at an unusual private school where she soon discovers that the boys have a sinister power over the girls. As the boys behaviour becomes increasingly threatening she uncovers the source of the girls fear; an ominous locked door at the back of the classroom.