Former Marine Louanne Johnson lands a gig teaching in a pilot program for bright but underachieving teens at a notorious inner-city high school. After having a terrible first day, she decides she must throw decorum to the wind. When Johnson returns to the classroom, she does so armed with a no-nonsense attitude informed by her military training and a fearless determination to better the lives of her students -- no matter what the cost.
A Reno singer witnesses a mob murder and the cops stash her in a nunnery to protect her from the mob's hitmen. The mother superior does not trust her, and takes steps to limit her influence on the other nuns. Eventually the singer rescues the failing choir and begins helping with community projects, which gets her an interview on TV—and identification by the mob.