Under secrecy, Garrick returned for the first-season finale of Prospect Park's version of One Life to Live on August 19, 2013.

[14] Villain Laurence wreaks havoc in fictional Llanview and seeks to exact his revenge on long-running One Life to Live heroine Viki Lord Buchanan; his death does not end his reign of terror, as disciple Allison kidnaps Viki's newborn daughter Jessica but ultimately returns her.

Garrick returned as Allison in 2001 for what Soap Opera Weekly called "The Mother Of All Reveals,"[15] a storyline in which the series exploited a loophole in its continuity and created a secret history that would "resonate for months and years.

"[16] The reveal that teenage Jessica had actually been switched with another baby by Allison in 1986 – and so was not the daughter of Viki and husband Clint Buchanan – "was about as big as they come.

"[15] When Gary Tomlin became Executive Producer of One Life to Live in January 2001, his familiarity with the series and its characters – from his stint as director from 1992 to 1995 – "manifested itself in ... the utilization of the show's rich history.

"[17] Tomlin explained how then-Head Writers Christopher Whitesell and Lorraine Broderick had thought, "OK, where can we do something where we do bring back that history but also explore something that's going to affect the future of this show?

"[17] He added that One Life to Live had been "so fortunate to get Barbara Garrick, who played the role originally, because we used those flashbacks from 13, 14 years ago.

[2] The sheltered daughter of the warden of Stateville Prison, Allison soon falls under the spell of charismatic Mitch Laurence, who is incarcerated for the murder of Harry O'Neill.

Allison, Viki Buchanan's niece Mari Lynn Dennison and even Harry O'Neill's daughter Joy are seduced into Mitch's cult.

[2] Mitch is killed by Dorian Lord as he tries to rape her drugged daughter Cassie;[19] Viki gives birth to baby Jessica on September 23, 1986.

Allison leaves the baby in the care of her mother Ruth in New Jersey,[20] the older woman unaware of the child's origins.

Viki declares Jessica "her one and only daughter," but Allison has papers drawn up that give Natalie the legal right to live at Llanfair.

[2][20] Losing her fragile grip on reality, an increasingly violent Allison takes Roxy and then Niki hostage, intending to kill them.

About to kill one or the other, Allison is interrupted by the arrival of Police Commissioner Bo Buchanan, officer Antonio Vega and Viki's husband Ben.

[2] Allison is subdued, but while saving Viki, Antonio accidentally shoots Ben, which leaves him in a coma[3][22] that ultimately leads to his death in 2004.

[8] It is ultimately revealed that Mitch Laurence had secretly raped a drugged Viki around the same time she conceived a child with Clint.

Mitch, however, had wanted his daughter to grow up loved by Viki in the lap of luxury, and had sent Allison to kidnap Clint's child.

Though not genetic, it had been explained that the illness had been triggered by childhood sexual abuse inflicted on Jessica while Viki had been running around as Niki Smith.

[26] As Jessica waits for her husband Nash Brennan and Viki to arrange her release on January 25, 2008, she is spotted by fellow patient Allison.

Promising to leave their family alone once she has revealed her secret, Allison leads the sisters to a familiar place where she can "show" them what she knows: the mausoleum on the grounds of Llanfair where their evil grandfather Victor Lord lies.

[34] Allison finds refuge with a reluctant Roxy,[35] soon going to the Valentine's Day "Go Red Ball"[36] and holding Jessica at gunpoint.

[42] On February 26, 2010, Allison appears at Statesville Prison dressed as Roxy to visit Mitch,[13] telling him that Dorian's sister Melinda Cramer had died.

You of all people should know things are rarely what they appear" and throws the script she wrote for the last episode at a man who is tied to the bed of the room she is in: Viki's brother Victor Lord, Jr., who is very much alive.

In the One life to Live online series on May 1, Victor Jr. reappears in Llanview, having at some point escaped from Allison, but then being held prisoner by an evil organization.

On the first-season finale episode of OLTL 2.0 on August 19, a horrified Natalie finds Allison at Llanview Hospital at Clint's bedside.