Charlize Theron stars in MONSTER, a shockingly moving film that burrows deep beneath the tabloid-sized headlines of Aileen Wuornos, the man-hating, and murdering, serial killer.

Based on the life of Aileen Wuornos, a Daytona Beach prostitute who became a serial killer.

Model-turned-actress Charlize Theron leaves her glamorous image behind for this gritty drama, in which she plays a disturbed prostitute who becomes a serial killer. Aileen Wuornos (Theron) was a woman who survived a brutal and abusive childhood in Michigan to become a thick-skinned but emotionally damaged adult. Homeless most of her life, Wuornos subsisted by working as a street prostitute; later, when she was in Florida, down to her last five dollars and pondering suicide, she stopped into a bar for a beer. There, Aileen met Selby Wall (Christina Ricci), a woman in her early twenties who had been sent to live with relatives after her Christian parents became aware of her lesbian lifestyle. Selby is immediately attracted to Aileen, and while Aileen tells Selby she's never been in a lesbian relationship, she soon finds herself equally infatuated with her. Selby runs away from her family and moves into a cheap hotel with Aileen, who initially pays the bills by hooking. However, as their money runs low and Ailee

Theron plays Aileen Wuornos, a real-life truck-stop prostitute and serial killer who, over nine months, murdered any trucker who allegedly tried to rape her. Ricci plays a woman Wuornos took as a lover during her killing spree.