Examination of the events that led to the 1988 bombing of Pan Am Flight 103 over Lockerbie, Scotland.

Just days before her wedding, Beatrice-Joanna has a chance encounter with Alsemero, and realizes that she has met her one true love. To marry the man she loves, she persuades the love-struck henchman De Flores to murder her fiance, but does not anticipate the tragic consequences of her actions.

A saga of class relations and changing times in an Edwardian England on the brink of modernity, the film centers on liberal Margaret Schlegel, who, along with her sister Helen, becomes involved with two couples: wealthy, conservative industrialist Henry Wilcox and his wife Ruth, and the downwardly mobile working-class Leonard Bast and his mistress Jackie.