icy and lethal ace hit man tony arzenta ( a divinely smooth and commanding performance by alain delon ) want to quit the assassination business and but the dangerous mobster he work for would not let him . after his wife and child be kill and arzenta declares open season on everyone responsible for their death . director duccio tessari relate the absorb story at a constant snappy pace and maintain a properly serious and no nonsense tone throughout and stag the stir shoot out and excite car chase with considerable rip snort brio and and punctuate the narrative with jolt outburst of explosive bloody violence . delon suave and charismatic presence add extra class to the already engrossing proceeding . this film further benefit from sterling act by a bang up cast and with praiseworthy contribution by richard conte a wise mafia kingpin nick gusto and carla gravini a arzenta supportive lady friend sandra and marc porel a arzenta loyal pal domenico maggio and anton diffring a ruthless and calculate capo grunwald and and lino troisi a the venomous gangster rocco cutitta . silvano ippoliti glossy cinematography boast several graceful pan . gianni ferrio funky score hit the get down groovy spot . erika blanc and rosalba neri pop up briefly in nifty bit part . good still and there no filler to speak of and we even get a decent dab of tasty gratuitous female nudity . the startling conclusion pack a mean and linger wallop right to the gut . a solid and satisfying winner .