We're back with the gang in Gilbraltar this week for the second part of our opening mystery, and the locals are reeling from the murder of shopping agent Gordon Fletcher. Brian and Gerry have somehow wound up on the side of a Spanish mountain, and have no idea how they're going to find their way back to the team. Meanwhile, Sandra is attempting to go back thirty years to link three murders, and with her doubts about Harry Truman still floating around in the back of her mind, she joins him for lunch on his luxury yacht...