Who really is Diabolik, the ruthless Italian comic book antihero? The final chapter of the Manetti Bros. adaptation sets out to find the answer. 　　Taking a leap in time to the 1970s, a period of unrest marked by the Vallanzasca and Magliana gangs, student protests and street killings. The story begins with car chases and machine gun shots that leave innocent victims dead on the s...