Della Myers is an upper-class housewife that lives in a private condominium in the suburbs with her twin children and her abusive husband Kenneth. Della gives all the attention to the twins, neglecting their house and her appearance and upsetting Kenneth. On the Christmas Eve, she drives to the local mall in the night to buy wrapping paper for the gifts, and she does not find any parking space available. When she sees an old car parked on two spots, she leaves a message to the owner calling him "selfish jerk". When the mall closes, Della's car is hold by the driver of the old car and she is threatened by four punks - Chuckie, the Afro-American Huey, the Chinese-American Vingh and the Latin Tomás. When the security guard of the mall protects her, he is shot on the head by Chuckie, Della speeds up her car trying to escape from the criminals. However she crashes her truck nearby a forest while chased by the gang. She takes the toolbox and hides in the wood, fighting against the gang to survive.