Only the Brave (film)

Troubled Australian teen Alex (Elena Mandalis) finds solace in her friendship with Vicki (Dora Kaskanis), who comes from an even more dysfunctional and abusive family. While Alex is bookish and excels in her studies, Vicki reveals a tendency towards pyromania, with both inclinations playing a part in their increasingly close relationship, which verges on romance. However, when Alex witnesses a horrible and humiliating incident involving Vicki, it sets the stage for tragedy.

Only the Brave is a 1994 Australian film.

Alex is in love with her best friend, Vicki, her mother has dissapeared and she sets fire to things in her spare time. Vicki comes from an abusive home and wants Alex to run away with her. Alex is a bit of a nerd and a teachers pet, so takes advantage of this by trying to seduce her drippy school teacher. Alex watches as Vicki, unable to escape her terrible homelife and an psychological wreck, sets alight to herself and burns to death.