Happy Birthday to Me

The name of this movie is Happy Birthday to Me released in 1981-05-15 and it's main theme is Virginia is proud that she belongs to a clique. The best students at a private school. But before her 18th birthday, a grueling set of murders take place and her friends are the ones who are falling prey. Could it be her? She suffers from blackouts due to a freak accident one year earlier. We soon learn the truth behind her accident and what is going on....