WARNING**THIS REVIEW CONTAINS SPOILERS*** I found this to be an interesting movie marred by unnecessary additional material. The Alain Delon character was never meant to be sympathised with by an audience and, indeed, part of his attraction was the loner aspect he radiated on screen - a careful loner, a suspicious loner, nobody´s fool, a feared double-cop killer in control of all his marbles. It is rather curious, therefore, that he should act so carelessly and foolishly in his dealings with the Sicilians. *SPOILERS* Getting intimately involved with one of the mobsters wives whilst planning and subsequently executing a major jewel heist was not a clever idea. And this is were I believe the movie failed. The heist was excellent, the chase conducted by the determined police-chief for Delon was as exciting as THE DAY OF THE JACKAL, and the movie would have been perfect had it ended when the hijacked airplane landed on the highway development outside New York. Instead, the message would appear to be that we can´t have organised crime succeeding with this kind of thing!. *SPOILERS* You would think that the Sicilian Clan, in cahoots with their American brethren, would have been ecstatic in pulling off 50 million dollar jewel robbery. But no, when Gabin´s character hears from his grandson that Delon´s character had been conducting an illicit association with his son´s wife, the priority would appear to be in getting Delon back to France to have him eliminated, thereby jeopardising everything. And so it proves. The price of love, or at least the price of adultury, would appear to be fifty million smackers. Still, an excellent film by a much undr-rated director.