when does alison come back into pretty little liars

Hugh sacrificed his chance at the National Medical Research Council to save his wife Quinn, who had late-stage liver cancer. He sold family heirlooms to fund her treatment, but Quinn used the money to buy a car for her first love, James. She became obsessed with their past together, ignoring her son Luke's feelings. Hugh and Luke gave her three chances to change, but she refused. Finally, Hugh joined the National Physician Program and left with Luke. After he departed, Quinn regretted her actions, but it was too late to make amends.

Master thief Mia disguises herself as an ugly duckling to rob wealthy men on dating apps. But one stolen watch lands her in an underground brothel, where desperate millionaire Michael offers her a deal: help him secure a dangerous business partnership and he'll set her free. Their target? John Stevenson - the psychotic husband of Mia who she ran away from. Stevenson murdered her parents and thinks she's dead. Now Mia must choose between running forever or finally fighting back against the monster who destroyed her life.

Esme Lang, the eldest daughter of the Lang family, is poisoned by her cousin Susie Lang, leaving her disfigured, with memory loss, and mentally impaired. She’s rescued by the Reed family matriarch, who arranges for her to marry Caleb Reed, the third son of the Reed family, under the name Faye Reed. After the matriarch’s death, Esme, pregnant with twins, is sent away by Caleb. A car accident later restores her memory, revealing her true identity. Five years later, Esme returns to the capital with her son, Eli, unaware that her other child, Zach, is alive. When Eli tries to teach Susie a lesson, Caleb mistakes him for Zach and takes him away. The two children end up swapping identities. What will happen next in this tangled web of secrets and mistaken identities?

Luke Moore, a business prodigy, made a name for himself when he was 18 years old and returned to his country, founding Moor Corp at the age of 21. However, after being betrayed by his family, he conceals his identity and works as a food delivery rider. When he learns that his girlfriend has cheated on him, he finds himself being pursued. Fortunately, Lena King, someone he met during his childhood, rescues him. Because of the promise they made when they were young, she pressures him to marry her. With Lena's protection and companionship, Luke gradually leaves the past behind and embraces the future with her.

After Johnny married the stunning and accomplished Valerie, his greedy family—convinced he'd landed a wealthy older sugar mama—never bothered to meet her. While Johnny was away, they mistook Valerie for his mistress and, desperate to keep their imagined "rich old bride's" fortune, cruelly turned on her. Little did they know: Valerie was actually the young, brilliant CEO of a major company, temporarily stepping back to focus on starting a family. When the truth came out, their shame was matched only by her fury—and they were swiftly shown the door.

In the Yolham Kingdom, Empress Christine Shaw gains weight after childbirth and is cast aside by the emperor and even her own son, who has been manipulated by the cunning Noble Consort Rosalie Cooper. Humiliated and killed, Christine's body is taken over by a modern doctor determined to seek justice. Using modern technology and medical skills, she slims down, stuns the court with her beauty and talent, and rises as a respected empress. The emperor gradually falls for her and tries to win her back,but Christine wants nothing to do with him. In the end, she chooses freedom and sets off to explore the world with the grand emperor.

After over twenty years of living as a wealthy heiress, Stella Sheldon’s true identity as an adopted daughter was finally exposed by the Sheldon family.Coldly cast aside, she was left to survive on her own and took a job as a bartender. One day, she unexpectedly "took in" a handsome male escort.Moved by sympathy, she offered to support him financially. Thinking she was just helping a freeloading man, Stella was shocked to discover that this man was not only charming and sweet — he was actually the CEO of a multibillion-dollar corporation!

The revelation of the children switching saw Ann Stone's fall from grace; she went from being revered to reviled. Her own kin turned on her, transforming into adversaries, and her betrothed added to her wounds with his treachery and public scorn. Yearning to flee the chaos, Ann found her path blocked by the genuine affection of the Crofts, leaving her in a dire dilemma. She believed she had reached the peak of drama in her life, but the twist was yet to come—she learned that the man she played with was no ordinary person but a heir of the capital's most powerful clan. "Ah! Someone, please help me!"

Military doctor Donna Healy dies suddenly and gets reborn in the wartime era as a general's daughter. Honoring her engagement, she marries Commander Stevie Garrison, only to get abandoned on their wedding night for his mistress, the cunning Gloria Carpenter. Having seen life and death in her previous life, Donna just laughs coldly at this joke of a marriage. A scumbag and his manipulative mistress? Perfect match! Saves her the headache of dealing with them. She never wanted this arranged marriage anyway, and now that the masks are off, she's finally free. Whoever wants this miserable life can have it—she's out!

Betrayed by her stepbrother Edward and left to die with nothing but regrets, Celeste Welsh gets a second shot at life. This time? She's playing for keeps. Revenge against Edward is at the top of her list—but things get complicated when love unexpectedly walks in. Now, she's juggling payback and passion, determined to live this life with no regrets. Sweet, fierce, and unstoppable, Celeste is rewriting her story…

Kelly Shelton, killed in her past life, is reborn as Susana Klein, the youngest daughter of Sheford’s wealthy Klein family. Ten years have passed—her mother is missing, and the very person who once ended her life is now her adoptive mother. Refusing to bow to fate, she joins forces with Lucas Shaw to confront hatred and seek redemption together.

Yvonne Johnson grew up in a rainy city. Despite inheriting all of her grandfather's estate, she was locked away in a wooden attic by the Smith family, forced to feign madness and survive in decay, left to rot on her own. To exact revenge, she escaped the old residence and set her sights on Liam Hanson, using herself as bait, laying trap after trap, drawing him in step by step.

Heart surgeon Mervin Charles dies suddenly and is reborn as a 7-year-old homeless boy who then names himself Merlin Charles. He's rescued at a shopping mall by his former colleague Camille Reynolds,and he discovers her phone wallpaper is actually his photo. News reports reveal that Mervin has become a vegetative patient. To get closer to his original body, Merlin lies about being an orphan and gets adopted by Camille. Through various medical incidents together,both their perspectives gradually change. Mervin finally understands that being a doctor isn't about self-salvation, but about healing and saving others. In the end, he not only returns to his original body but also successfully wins Camille's heart.

Mia's world turned upside down when her first love, Logan Henry, re-entered her life with his young daughter, Jade Henry. As Jade became a constant presence in the family, Mia's relationship with her own daughter, Molly Justin, grew increasingly strained. Feeling overshadowed and repeatedly pushed aside, Molly slowly closed off her heart until one day, she left with her father, Mason Justin. Only after their departure did Mia awaken to the pain she'd caused. The weight of her indifference and the void left by her daughter's love began to consume her, plunging her into a spiral of irreparable remorse.

In her past life, Olivia was hopelessly in love with Declan Murphy, giving him everything she had, only to be abandoned. On her deathbed, she finally realizes Jake Parker's unspoken love for her—and regrets not seeing it sooner. Now reborn, she's determined to distance herself from the toxic Declan and make things right with Jake. But Declan, smug and self-assured, mistakes her intentions, thinking she's playing hard to get. When his true identity is uncovered, he faces the consequences. In the end, Olivia and Jake begin a new chapter, living a life filled with love and happiness.

Out of desperation, Queenie Xavier sells her first night to Yarden Lewis, the man she's secretly loved for eight years. Yarden enjoys the thrill but keeps her as a secret lover, never imagining it could last. She feels the same. When the time comes, she walks away.Only then does Yarden realize he's been in love with her to the very core all along.

Faye discovers that her fiancé is having an affair with the wife of secret billionaire Arvin Sterling, so she takes revenge on him by getting intimate with Arvin. However, it turns out to be Arvin’s scheme to lure Faye in his seduction game......

While delivering food, Sara Scott accidentally collided with Toby Luke, the son of the richest man in the city. Desperate to raise money for her boyfriend's research fees,Sara,feeling guilty, sold her electric bike, worth over a thousand dollars, to Toby for five thousand. This led Toby to mistakenly think she was a gold-digger. The two, who had no prior connection, became entangled due to Toby's father's will, which stipulated that he must marry the daughter of his first love to inherit the vast fortune, and that daughter turned out to be Sara. In order to secure the inheritance, Toby schemed to separate Sara from her scum boyfriend and tried to make her fall in love with him. However, in the process of his carefully laid plans, he found himself falling for Sara first.