As Kristina will not survive long enough for the baby to be born, Alexis attempts to convince Sam to induce labor two weeks early.When Sam refuses, afraid for her child, Alexis grows desperate, insulting and guilting her into giving in, a decision she quickly regrets when Sam collapses and ultimately loses the baby; however, Kristina nonetheless gets the stem cells she needs to survive.
Stefan instructs Alexis to change her name to Davis and brings her to Port Charles to aid in the legal side of his vendetta against Luke Spencer, the husband of his former lover Laura Spencer.
Alexis is protective of Stefan and her nephew Nikolas Cassadine, going as far as to make Stefan believe that his lover Katherine Bell was actually his half-sister Natasha.
As Ned and Skye Quartermaine try to gain full custody of the baby, Alexis disguises herself as a man named Dobson, and begins working at the Quartermaine mansion to be closer to her daughter.
Ned eventually drops the suit, and gives her full custody of her daughter.
Jason and Sam insist that Manny is faking and that things will end badly, but Alexis refuses to heed their warnings and successfully gets Manny acquitted.
Ironically, Jason and Sam's warnings prove true when Manny reverts to his old ways by kidnapping Elizabeth Webber.
Sonny also learned he had a sister, Courtney Matthews, and Courtney and Kristina both noticed the deepening bond between Alexis and Sonny. Ned, who is dating Kristina, claims to be the father.
Kristina learns the truth, but is critically injured in a warehouse explosion meant for Sonny, and decides to keep her sister's secret before dying.
Sonny went on to save her life when she, Zander, Sonny and Emily Quartermaine were attacked by a rival mafia family. A distraught Carly is in a car accident, and Alexis encourages Sonny to return to his wife.