Commissioner Belli (Franco Nero), a man known for his hard methods, fights in Genoa against a Europe-wide drug ring. The mills of justice grind slowly, but when in the course of the investigation it turns out that the connections of the gangsters reach to the highest political circles, Belli gets to feel the violence on his own body. Cafiero, an old-fashioned gangster who has retired from business, is at his side advising. But he also knows: there will continue to flow blood...