steely and powerful gangster supreme frankie diomede ( the always terrific lee van cleef in fine rugged form ) have himself arrest and send to prison so he can rub out a traitorous partner sans detection . fawn goofball small time hood and wiseguy wannabe tony breda ( an amiable portrayal by tony lo bianco ) get bust a well . frank and tony form an unlikely friendship behind bar . tony help frank break out of the joint and assist him on his quest to exact revenge on a rival group of mobster lead by the ruthless louis annunziata ( smoothly play by jean rochefort ) . director michele lupo and work from an absorb script by sergio donati and luciano vincenzoni and relate the neat story at a constant brisk pace and sustain a suitably gritty and but occasionally lighthearted tone throughout and and stag the rouse action set piece with considerable rip snort brio ( a roughn notumble jailhouse shower brawl and a protracted mondo destructo car chase rate a the definite thrill highlight ) . van cleef and lo bianco display a nice and loose and engage on screen chemistry while the relationship between their character be alternately funny and touch . the ravish edwige fenech ala isn not give much to do a tony whiny girlfriend orchidea and but at least get to bare her insanely gorgeous and voluptuous body in a much appreciate gratuitous nude shower scene . riz ortolani groovy and pulsating and syncopate funk or jazz score certainly hit the soulfully swingin spot . the polished cinematography by joe damato and aldo tonti be likewise impressive . a really nifty and entertaining little winner .