Michelle is young, beautiful and the most popular girl in high school. She decides to help out when the shy and awkward Laurie arrives in the area, taking the new girl under her wing and transforming her from a bookworm into a beautiful siren. But this is when the trouble starts. Michelle's boyfriend falls for Laurie, and Michelle becomes extremely jealous, taunting Laurie and even threatening her with physical violence. The two girls become bitter rivals, but Michelle gets more and more out of control, and Laurie gradually comes to fear for her life.