When a high school shooting athlete's twin brother falls from the roof of his high school and dies, everyone, including the police, says that it was a suicide.  But she is sure that is not true.  So she transfers to that school, hiding her true identity, and begins gathering information about her brother's life at school and his death.  When she meets a young man who was the first person to see her brother's fall and call the police, she enlists his help in uncovering what really happened.  And as the pair dig in, they find evidence of abuse and bullying from several unexpected classmates.