The House on the Left
Two teenage girls on the way to a concert happen on to the wrong hotel room to buy some weed. There they run into 4 escaped cons, and one sex-crazed lesbian psycho. The girls are kidnapped, raped, tortured, and eventually brutally murdered. Then, in a cruel twist of fate, the murderers are forced to find shelter for the night when their car breaks down. So they go to the nearest house, which they soon discover is the house of one of the girls they just killed. Mayhem insues when the parents find out what they have done and decide to exact their own brand of revenge.