The superhero duo of Ms Moon and Sparrowhawk had been the scourge of the criminal world - until a trusted friend left Ms Moon for dead. Fortunately, her dying corpse is found by a mysterious, sentient mist, which brings her back to life and promises her the tools with which to avenge her own death, even though it will mean sacrificing the last of her humanity to become a living weapon of vengeance. From this point on, she will become the PVC clad avenger known only as Madame Mystery...