Sick Girl is the story of Izzy Shea , a girl who wants to protect her younger brother, have sex with her older brother and torture everyone else out in the barn.
Izzy is raising her younger brother, Kevin, by herself. Their parents are deceased and her older brother, Rusty, is away in the Marines. When Izzy learns that her little brother is being bullied at school, she does what any unstable, psychopathic, homicidal sister would do