Happy Birthday to Me (1981) Blu-ray

Get ready for a taut mystery-shocker that will keep you at your wit's end and at the edge of your seat. Popular high school senior Virginia Wainwright (Melissa Sue Anderson) survives a freak accident, but suffers from memory loss and traumatic blackouts. As she attempts to resume a normal life, something terrible is happening - her friends are ruthlessly murdered one by one. Will she be the next victim or is she the killer? The terrifying truth is finally uncovered at Virginia's 18th birthday party... and you're invited.