who killed alison in pretty little liars

Yu-Jin was murdered by her husband Chan-Yeong and his mistress Na Ju-Hui. Shortly after, her sister Yu-Ri is also killed and finds herself back in time before Yujin and Chan-Yeong's wedding. Determined to take revenge for her sister, Yu-Ri decides to marry Chan-Yeong. Just then, her first love Tae-O reappears before her.

Margaret sacrificed everything to raise her two sons, only to have her "dead" husband Channing show up at their graduation with his mistress in tow. The truth hit hard: he'd faked his death, and "her" boys were actually his love children with Vivian. The shock killed her. Then she woke up in the delivery room. She reborned. Game on.

When her DEA agent father was killed, Wendy Marshall decided to infiltrate the largest mafia of the south west to investigate and take revenge. The only way in however, is becoming the mafia boss—David Lewis’ BDSM“plaything”. By submitting to every humiliating command from David, Wendy thinks she is getting closer to the truth. Until she realizes that he already knows why she’s here…

Kiara hung up her military uniform to get married, dedicating herself to her husband's company with unwavering loyalty—only to be met with his dismissive remark: "Kiara,Yuna is an independent airline captain. You? Just a useless secretary fetching tea and coffee."His friends sneered at her, mocking her worth. Little did they know that she was once the Queen of Special Forces, a fighter pilot who dominated the skies, fluent in five languages, and a top-ranked science prodigy. Even elite hackers bowed to her prowess.Heartbroken and disillusioned, she filed for divorce without hesitation. Clutching her parents' ashes, she headed to the airport!

Kiara hung up her military uniform to get married, dedicating herself to her husband's company with unwavering loyalty—only to be met with his dismissive remark: "Kiara,Yuna is an independent airline captain. You? Just a useless secretary fetching tea and coffee."His friends sneered at her, mocking her worth. Little did they know that she was once the Queen of Special Forces, a fighter pilot who dominated the skies, fluent in five languages, and a top-ranked science prodigy. Even elite hackers bowed to her prowess.Heartbroken and disillusioned, she filed for divorce without hesitation. Clutching her parents' ashes, she headed to the airport!

Burdened by her father’s debt, Seoyoon ends her relationship with Leejun through a painful lie. While chasing after her, Leejun is nearly killed in an accident. Years later, Seoyoon is raising their child alone, while Leejun returns in triumph. When their paths cross again, old wounds, hidden truths, and unresolved feelings flare back to life, upending everything they thought they’d left behind.

Burdened by her father’s debt, Seoyoon ends her relationship with Leejun through a painful lie. While chasing after her, Leejun is nearly killed in an accident. Years later, Seoyoon is raising their child alone, while Leejun returns in triumph. When their paths cross again, old wounds, hidden truths, and unresolved feelings flare back to life, upending everything they thought they’d left behind.

Jocelyn was killed after catching her husband Colton cheating on her with her half-sister. Miraculously, God gave her a second chance and sent her back to the moment she was proposed to three years ago. This time she wouldn't let them get away with it, but she didn't expect to find herself pregnant with a baby from Colton's uncle, Richard Asher.

Frank Church gave up his status as a wealthy heir to marry Lynn Cooper. On their daughter Tianna's birthday, the little girl waited alone by the road for her parents. Meanwhile, Lynn was out with her first love Harry Zimmer and his daughter Yana. While driving together, they accidentally hit Tianna,leaving her critically injured. Lynn chose to take Yana—who had only minor injuries—to the hospital first, delaying Tianna's treatment and ultimately leading to her death. Despite Frank's repeated pleas, Lynn refused to visit their daughter, insisting that Tianna was fine. Devastated and betrayed, Frank finally turned his heart away forever.

Having stayed fifteen years at an orphanage, Natalie Shawn was taken back to the Lynch family when she was fifteen. However, her parents cared only about their adopted daughter, Vicky Lynch. Vicky could hear Natalie's thoughts and stole all of the hit songs Natalie wrote. After being accused by Vicky of plagiarism, Natalie got killed by Vicky's crazy fans. When Natalie was reborn, she decided to fight back.

Three years ago, to repay Sara Crane's father for saving his life, Ian Griffin married into the Crane family. He secretly helped the Cranes reach a higher standing in society so that they would one day learn his true identity. Three years later, after making his last delivery for the day, he coincidentally saves Stella Wade, the Queen of Commerce, who was attacked by Estrya Assassins. After instructing his subordinate to handle the aftermath, he hastily leaves. Little does he know, Stella has fallen for him at first sight and wants to offer herself to him, along with Nimbus Group, which she has been managing for years.

The little girl, Molly Foster, carried a small basket full of herbs to brew medicine for her mother. But her grandfather scolded her for wandering around outside, asking her not to cause trouble for her father, who was in the army. At that moment, Molly's mother started coughing up blood. Molly asked her grandfather to get a doctor, but he rejected and scolded her again before leaving. As her mother was dying, Molly found the note her father left her 3 years ago and decided to take her mother to the army camp to find him for treatment. They arrived at the camp gate, and Molly believed that she would finally find him to cure her mother.

Erica Stuart married Frank Lucas and became the CEO of Lucas Group. After their daughter Mandy went missing, they adopted Sharon and treated her as a treasure. Even after they found Mandy and brought her back, they still favored Sharon and designated Sharon as the heir of Lucas Group. Unexpectedly, Sharon set Erica up and killed her. Coming back to three years ago, Erica decided to reveal Sharon's true colors and make it up to her biological daughter Mandy.

Ethan mistakenly believed that Scarlett's father had killed his own father, leading him to confine Scarlett in a mental hospital, where she endured torment for two years. Later, Ethan, in an effort to thwart his stepmother Evelyn's scheme, chose to enter into a fake marriage with Scarlett, with a three-month deadline. However, just as Ethan and Scarlett received their marriage license, Ethan discovered the mysterious woman he had slept with, Sophia.

On a dark and stormy night, Mia found her mother killed in the study. Jack, her father, handed her over to the police as a suspect without giving her a chance to explain. With the help of her brother Daniel, Mia was bailed out of jail and hired a private detective, Edward, to investigate her mother's death. As the investigation progressed, Mia discovered a huge conspiracy behind her mother's death, and even her own father and Edward were involved......

Betrayed and killed by her fiancé, Jake Carter, and the scheming Tiffany Wells, Emma Foster is reborn with a chance to rewrite her fate. She rejects Jake, helps Alex Shaw rise in a prestigious competition, and watches as Jake faces humiliation and financial ruin. When he and Tiffany attempt to sabotage her birthday banquet, she turns the tables, exposing their schemes. Finally free from the past, Emma finds love and happiness with Alex, proving that success is the best revenge.

Alexander makes a deal with the commander to protect Jessica's family, trading a severe injury that leaves him with an amputation,shrapnel in his brain, and little time to live for their safety. Six years later, he runs into his daughter Alice, who doesn't know he's her father, and shares his past with her. When he saves Jessica at a lion dance event, his identity is exposed. Jessica presses him for the truth about the past, but Alexander, aware his days are numbered, resolves to hide it, breaking her heart. To end their bond, Jessica forces him to perform the lion dance again. Alexander pushes through to take the stage, but his prosthetic limb malfunctions, shrapnel shifts, and he is on the brink of death.

On her birthday, she ends up sleeping with a man, thinking of him as a surprise gift. Little does she know, she is unknowingly entangling herself with a big shot...