Bethesda has released the debut trailer for Dishonored. "You are the once-trusted bodyguard of the beloved Empress. Framed for her murder, you become an infamous assassin, known only by the disturbing mask that has become your calling card," writes Bethesda. "In a time of uncertainty, when the city is being besieged by plague and ruled by an oppressive government armed with strange technologies, dark forces conspire to bestow upon you abilities beyond those of any common man."