The Last Detective - Season 4 (2007)

DC Davies investigates the murder of a limousine driver who is found in his limo, his neck was slashed with a broken bottle. The investigation focuses on his previous evening's customers but it appears the driver also had secrets. He'd been living in Uruguay until a few months before and apparently had undergone extensive plastic surgery. The case takes a decisive turn when the victim is identified as a former London cabbie who disappeared after a passenger left a case with 2 million pounds in his cab.

A semi-secret fraternal organization modeled loosely on the Masons apparently appears to be running a life insurance scam.