Suspiria (full movie 1977)

A horror classic from the legendary Dario Argento!! On a stormy night, an American dancer Suzy Bannion arrives in Freiburg coming from New York to join a famous and expensive ballet school for three years of training. The next morning after her arrivial, she is informed by the director of the school that a student she met leaving the place on the previous night was violently murdered and the police are investigating the crime. She becomes friends with another student, Sara, and then she realizes that the house is indeed a coven of evil witches hell bent on murder.