Barnaby and DS Ben Jones investigated the death of Simon Bright, who was found dead in a World War II vintage Humber parked at an abandoned airport. From various perspectives, this death seems to be suicide, but pathologists have determined that the man was severely hit by the deceased. In fact, he may have been unconscious when he died from carbon monoxide poisoning. Simon Brett's girlfriend Laura Sharp is missing, but the death of the elderly village of Lothario and the attempted murder of her other friend have to some extent reduced the list of possible perpetrators. Barnaby was convinced that one of Laura's ex lovers was responsible, but considering her quite active life, which one became the question?