An obliviously modern college student gets into a near-fatal bus accident, but is reborn through hybrid technology by her biotech father and his advanced lab.

Several years after her husband's murder, a haunted widow approaches the police with new evidence. Unfortunately the perpetrators discover that the case is re-opened, and they set out to kill the eyewitnesses and the widow herself.

A private detective specializing in missing children is charged with the task of finding a special child whom dark forces want to eliminate.

Alien brain parasites, entering humans through the mouth, turn their host into a killing zombie. Some teenagers start to fight against them.