Florence, 1476. Giovanni Auditore, a man of lethal skill, seeks to disrupt a plot targeting an associate of Lorenzo de' Medici. His actions set in motion an investigation that will lead him to Milan, where he strives to avert impending disa…

In pursuit of the assassin of Sforza, Giovanni arrives in Venice and intercepts a coded letter from the conspirators. Decoding this document becomes paramount to unraveling the conspiracy's leadership.

Giovanni, unable to decipher the missive, resolved to deliver it to Rome, hoping to expose the conspirators. But upon arriving there, he found the plot far more extensive and perilous than he had imagined.