when does alison come back into pretty little liars

Ava Montague was once the most beloved heir of the powerful Montague family. But after her father, Gabriel, vanished with no memory of who he was, Ava was betrayed by her stepmother Regina and her stepbrother Kieran. Framed as unstable and dangerous, she was locked away in a prison isolation cell and treated like a psycho. She lost her voice. She was beaten, broken, stripped of her dignity. Even her last meal became another weapon used to humiliate her. Then, after four years missing, Gabriel suddenly returned, and pulled Ava back from the brink of death. But the girl he saved was no longer the naive daughter she used to be. Haunted by what she endured, Ava sets out to reclaim her inheritance and destroy everyone who betrayed her. Yet no amount of revenge can erase the darkness the isolation cell left behind. And then a man enters her life, dangerously handsome, sharp enough to see through every mask she wears. He touches the wounds she’s spent years trying to bury. But can the part of Ava that once believed in love, the part she thought died long ago, ever come back to life?

Travis, a secret crown prince, now a deadly beggar, is saved by a noble heiress who defies her family to marry him on the streets. But when assassins sent by his usurper brother come hunting, the "beggar" unleashes his hidden martial arts and poisonous arts to reclaim his throne.

Sarah Young had a crush on Zain Xavier for seven years. Unexpectedly, she became his wife, and everyone laughed at her for going from rags to riches. However, she ignored them and only cared that Zain was finally hers. When they got married, she didn't care if he didn't love her now. She was confident he would fall in love with her in the end. However, it soon became boring as Zain was never interested. Sarah felt that she was rich, pretty, and had amazing curves. Why should she waste her time on a cold robot like Zain? Immediately after coming to her senses, she slammed the divorce papers before Zain. After that, they would both go on different paths. Zain could hit the high road while she had fun with young, handsome men. After the divorce, Zain often found his ex-wife's scandals on the trending list. Last night she was captured having dinner with the new rich in xx tech company, and today she was building a new "love nest" with a handsome internet celebrity??? Zain threw his phone away and cursed, "Fuck with this love nest! That's my woman!" To that, Sarah, who was enjoying life, replied, "Sir, who are you?" 

Simon Jones was once a Progenitor, a celestial figure of immense power.But memory loss has reduced him to the family disgrace, the scorned son-in-law the Scott household barely tolerates. When his memories return, so does everything else. He exposes the truth at Renee Scott's coronation ceremony, takes down corrupt clans with quiet precision, and makes his intentions toward Madison Collins known in the grandest way possible with the world itself as his betrothal gift.

High school graduate Annie Xavier dies in an accident on the day she's accepted to Quinbert University, but her mother, Lydia Smith,misunderstands her and pushes her away,causing her to give up the will to live.Manipulated by her adopted daughter, Lydia unknowingly harvests Annie's organs, including a heart for the adopted daughter. Only when the funeral home calls does Lydia uncover the shocking truth and expose the adopted daughter and her father's scheme.

When Vicky Evans was ten, she took Ryan Seymour in and took him as a little brother. Unexpectedly, Ryan fell in love with her. Vicky didn't know what to do and went abroad to avoid him. Five years later, Vicky caught her fiancé cheating on the night she came back. However, Evans Group faced a financial crisis. Meanwhile, she started to find out some secrets about Ryan.

When Princess Gwen Windsor finds herself reborn as Daisy Dumont, the brilliant but abandoned 13 year old daughter of the Dumont family, she decides to take her fate in her own hands. Not only does she transform her washed-up, amnesiac father, now a reckless playboy, to reclaim his rightful place atop a ruthless family empire, she must also outmaneuver vicious relatives, gain the trust of her stoic grandfather, and prove that she is worthy of the crown she once wore.

Elliot Blye spends all of his family's assets in order to cultivate the Top Crafting System. Only when his family falls from grace does the system finally get activated. Elliot receives the ability to craft as well as a newbie package. In order to save LumiTech, which is his family's company, Elliot sells off his assets at Olivia Ferrer's birthday party and gets her funding later on. With the system's help and Elliot's own skills, he will make LumiTech bigger and better.

Philip Hinton, chairman of the Hinton Group, devises an extreme plan to temper his son Roger Hinton’s character and abilities. He strips off his expensive suits, dons faded work clothes, and sets up a cold noodle stall outside his own company headquarters. From childhood, Roger believes he comes from poverty and must fight to change his fate. Only when his father finally closes the stall does the truth emerge. The humble vendor was a billionaire all along.

Elliot Blye spends all of his family's assets in order to cultivate the Top Crafting System. Only when his family falls from grace does the system finally get activated. Elliot receives the ability to craft as well as a newbie package. In order to save LumiTech, which is his family's company, Elliot sells off his assets at Olivia Ferrer's birthday party and gets her funding later on. With the system's help and Elliot's own skills, he will make LumiTech bigger and better.

Natalia is the daughter of Alpha,as the wolf in the prophecy, she is chased by many forces, to protect her, her father asked her to leave the pack and headed to New York so she could be safe there, two years later,the danger still existed, but her father thought it was time and he asked Natalia to come back and marry Blake Hunter, Alpha of another pack,he believed that Blake could protect Natalia after their marriage, their packs would be union. Natalia never liked Blake,but she would do what her father said for her pack, however she also learned that another powerful pack is rising, the Alpha of the pack is mysterious and ruthless, what would happen if she found out that the ruthless Alpha was her mate? The forces who were chasing Natalia's power didn't stop, what would she do to protect herself and her pack?

After her family is massacred by the Black Dragon Gang, the little girl Grace becomes the top assassin Dove. Now disguised as a mute, she infiltrates enemy territory, biding her time to avenge the victims. With lethal skills, she takes down villains but unexpectedly gets entangled with Jasper York, the heir to the organization she's sworn to destroy. When their paths cross, suspicion and mind games gradually give way to forbidden feelings. Caught between gang fights, psychotic killers, and deadly traps, she manages to balance her mission of revenge against her complicated relationship with Jasper. When her cover is about to unravel, can they join forces to bring down the crime empire?

After suffering aphasia from a car accident, Heather Phillips is devastated when her husband William Manning asks for a fake divorce to appease his mistress. Taking him at his word, Heather makes it real. Sebastian Hart, heir to the Hart Group, flies back immediately upon hearing the news and proposes to Heather. She leaves with him without looking back, leaving William filled with regret.

Kain Harris runs a small shop. He seems unremarkable. He is not.His abilities have quietly compounded into something the outside world, where the highest known level is thirty, has no framework to measure—wooden carvings that manifest as divine forms, comics that accelerate transcendence, a dog that devours celestial bodies, catfish soup that breeds dragons. His wife is a CEO. His admirer is a martial saint. His neighbors are the greatest cultivators in the nation, and they all know exactly what he is. The world beyond his street does not. When it eventually finds out, it will need a moment.

Donald Chester was tricked by his mother and younger brother's family into staying in the same household, leaving his wife and daughter at the mercy of the Chesters' abuse.He spent his life breaking his back in the family feed mill, only to be cast aside when it finally went public and made a fortune—dying in misery. Traveling back to 1988, Donald decisively split from the family and took his wife and daughter back to live in the countryside—only to discover that the fields and ponds are overrun with crayfish, a scourge to the villagers.Donald resolved to make a fortune for his own family by selling crayfish and forging a path to prosperity.

George, the heir to a wealthy family, was saved by Melody when they were children. He gave her a lucky necklace and promised to find her when they grew up and repay the favor. After years of searching in vain, George marries a woman with a crippled leg. He lets others bully her, even causing her to miss her mother's last moments. She asks for a divorce, and George discovers too late that she was Melody all along. Realizing how badly he treated her, George decides to get her back. But Melody also runs into trouble when she goes back to her father who always disliked her, and her tormenting stepmother and stepsister. Will Melody be able to get back what she deserves?

After suffering aphasia from a car accident, Heather Phillips is devastated when her husband William Manning asks for a fake divorce to appease his mistress. Taking him at his word, Heather makes it real. Sebastian Hart, heir to the Hart Group, flies back immediately upon hearing the news and proposes to Heather. She leaves with him without looking back, leaving William filled with regret.

Ice-cold CEO Maddison Perkins adopts a gifted little boy named Arthur to safeguard her family's company. At just six years old, Arthur is not only a child prodigy with incredible strength, but also fiercely protective of his mom. Time and again, he steps in to defuse crises—and in doing so, chips away at Maddison's guarded heart with his boundless love and warmth. When Uncle Brendon makes move after move to bring them down, Maddison and Arthur team up,outsmarting him at every turn to protect what's rightfully theirs.