On the eve of her 17th birthday, Mari and friend Phyllis set off from her family home to attend a rock concert in the city. Attempting to score some drugs on the way, the pair run afoul of a group of vicious crooks, headed up by the sadistic Krug.
Is Emma a voyeur vampire who can turn into a bat? Apparently, and she leaves many smiling faces on her victims after going down on them during a full moon. When they're not having sex with their suspects, two cops investigate the murders.
