High Tension (2003)

Alexia travels with her friend Marie to spend a couple of days with her family in their farm in the country. They arrive late and are welcomed by Alexia's father. Late that night, a sick, sadistic killer breaks into the farmhouse, slaughters Alexia's family, including their dog and kidnaps Alexia. Marie hides from the criminal and tries to help terrified, hysterical Alexia, chase the maniac, and disclose his identity in the end.—Claudio Carvalho, Rio de Janeiro, Brazil