Edited sentence: Donizetti's opera "Lucia di Lamermoor" was based on Scott's novel.In the novel, Lucie Ashton and Edgar Ravenswood exchange vows, but when Lucie's mother discovers that her daughter wants to wed an enemy of their family, she intervenes and forces her daughter to marry another man, Sir Arthur Bucklaw, who has just inherited a large sum of money at the death of his aunt.On their wedding night, Lucie goes insane and stabs the bridegroom, and succumbing to insanity, dies.Scott also wrote "The Bride of Lammermoor," a fictional novel based on a true story of two lovers