When a girl (Zoey Deutch) is presented with an impossible scenario-being forced to accept a stepbrother into her life during the tumultuous high school years-she tackles the challenge. But it definitely doesn’t make life easier. After all, she already has to deal with plastic high school enemies that bully her. But when her new stepbrother reveals that the reason he’s been in rehab is that he’s dealing with emotional trauma stemming from a teacher’s assault, the girl’s protective instincts kick into high gear. Now nothing can stop her from seeking true justice.