Blair Daimler comes to Llanview in 1991 with a secret — she is the daughter of Dorian's older sister Addie Cramer. Mentally ill and institutionalized for years, Addie is now hidden in Blair's loft. Blair blames Dorian for her mother's illness and her own childhood in foster care; Blair is apparently the result of Addie's rape at the hands of an unknown man in the sanitarium. Seeking revenge, Blair tries to ruin Dorian by getting her aunt's signature on a document confessing to the murder of her husband Victor Lord in 1976. Blair then plots to marry Asa Buchanan to gain the financial security and power she needs to care for her mother and destroy Dorian. It is revealed that Dorian had been told that Addie had died by their parents, who had institutionalized her. Blair and Dorian reconcile,