Stuart's driver Trevor Jones helps CID with useful information about a limousine operator who is rumoured to be supplying cocaine as part of the champagne service. Diane and Will respond to a call regarding a hijacked limousine, and Stuart investigates an assault on the driver's wife. Mickey volunteers to pose as a city banker and gather evidence against the villain, but has a few uncomfortable moments when it becomes clear his cover has been blown. (thetvdb.com)