For the first time ever, an international investigation team attempts to unravel the mysteries of the Malleus Maleficarum, or Hammer of Witches. Written in 1485, this infamous ancient manual changed the way the world saw evil. With detailed instructions on how to find, persecute and punish witches, the Malleus inspired centuries of accusation and bloodshed worldwide. Now, through intense recreations and extensive interviews with scholars, we’ll take viewers on a journey through madness to gain insight into the authorship, legitimacy, and history of the Hammer of Witches.