Rich is the Treasure

US Federal agent John Dennison arrives in the UK to meet Chief Inspector Philip Hunter of Scotland Yard and to find $300000 smuggled ashore via Liverpool. According to Dennison the smugglers are intent on buying diamonds to ship back to the US.Two suspects are followed to a London hotel and the diamonds are found. Shockingly they are discovered to be real . . . but synthetic.The diamond deal involving an eccentric middleman exposes a much bigger racket. Hunter and Dennison have a complex plot to unravel some dangerous men to deal with - and Dennison the beautiful red-headed Martine to keep an eye on . . .