INSANITY IS THE DIAGNOSIS... REVENGE IS THE CURE! As little girls Jackie and Jane witnessed the gruesome deaths of their parents. As teenagers they watched helplessly as their younger sister was attacked and murdered. Now Jackie and Jane are being released from a psychiatric institute after years of therapy. Ellenville, New Jersey will now have a couple of serial killers moving in! Jane is the tougher older sister who views the slayings as business-as-usual. Jackie begins softening in her murderous ways, curious to experience romance and love - encouraged by her dead sister's ghost. The bodies start piling up with the police scratching their heads, but no one could fathom these two sweet girls are up to no good!