who is a and why in pretty little liars

Single mother Eleanor returns to L.A. with her twins, desperate to fund her daughter's medical care. She's blindsided by a reunion with her first love, Theodore, now a billionaire. Broke and burdened, Eleanor faces a cruel choice: reveal her past lie for her daughter's treatment, or keep the truth hidden and risk everything.

To reclaim her late mother's estate, Sienna Reed ends up spending a night with Adrian Voss, the Alpha of the werewolf pack. Three days later, she discovers she's pregnant. Four years on, they cross paths again. This time, she has two wolf pups by her side. She runs. He hunts. There's no escaping him. Just when she's convinced he despises her, he turns around and spoils her like she's the only thing that matters.

When college student Chloe Fawn discovers she's pregnant, she's determined to raise her baby alone, until she learns the father's shocking identity: Ethan Toll, the domineering CEO of Sunnix Group! This powerful billionaire storms into her quiet life like a force of nature, refusing to let her go and showering her with love beyond her wildest dreams!

Five years ago, after a night of drinking, Sylvia Snow accidentally stumbled into the wrong room and spent a passionate night with a man she didn't know—Eric Payne. That night led to the birth of their son, Noel Snow. When Noel turns four, he starts showing strange symptoms and is locked away, treated like a monster. Just when things seem hopeless, Eric shows up and saves Noel. Sylvia soon discovers that the man from that night isn't just any man—he’s a legendary werewolf, and the secret behind their son's condition is far more extraordinary than she ever imagined.

Five years ago, Nina Wade was betrayed by her own family, leading to an unexpected pregnancy with Joe Holt. She raised their son, Ben, in secret. But now, five years later, her world is shattered when Ben is diagnosed with leukemia. Desperate to save him, Nina plans to sell the precious jade that Joe left to her back then. Meanwhile, the Holts begin a city-wide search for Ben. In the midst of this chaos, Nina finds herself working as Joe's secretary at Holt Corp. As they spend more time together, their relationship begins to heat up in ways neither of them expected.

Eight years after a one-night stand, Sophie Archer raises son Jack alone until he's diagnosed with leukemia requiring a rare blood-type donor. Doctors suggest a million-dollar imported medicine to buy time. While struggling financially, Sophie becomes Caleb Johnson's secretary, unaware he's Jack's father. Meanwhile, Caleb and his grandmother Kate meet Jack by chance and confirm paternity through DNA testing. As Sophie and Caleb develop feelings and she becomes pregnant again after another encounter, Sophie saves enough for Jack's treatment, only for rival Chloe Bradford to destroy the medicine. Kate intervenes, recognizes Sophie and Jack as family, and tells Caleb to marry Jack's mother, not realizing he's already falling for Sophie. When Caleb discovers Sophie is Jack's mother, they commit to each other. At their wedding, Sophie reveals she has no blood relation to the Archers, and learns she's actually the biological daughter of the Bradfords couple, whom she refuses to forgive. The story ends with Sophie giving birth to twins and living happily with Caleb, Jack, Kate and their growing family.

Once a wealthy heiress, Stella Smith's life takes a tragic turn when her parents become comatose after an accident, and her fiancé betrays her. By a twist of fate, she is pregnant with Jay Pace's child, though she mistakenly believes the father is someone else. Years later, she returns with her child and reunites with Jay Pace as his subordinate, totally unaware that her boss is actually the father of her child. A series of misunderstandings ensue which sparks a growing affection between the two. As the misunderstanding clears up, the reunited family finds their happily ever after.

Anna Poole had faced hardships since childhood. While trying to resolve a company crisis with her good friend, Serene Cox, Anna was drugged and sold to Mr. King. After Anna injured Mr. King and escaped, she ended up in the room of another man, Zach Howl, who was also under the influence of an aphrodisiac. As a result, they unexpectedly became intimate. As soon as Anna regained consciousness, she decided to confront Serene and accidentally overheard a conspiracy between Serene and the supposedly deceased Bryan Lane. Outraged, Anna confronted Serene, who injured her and caused a fire to start. In a life-threatening situation, Anna was saved by Waver Taylor, who had just returned to the country. Ten months later, she gave birth to twins, and one of them was taken away by the Browns. Along with a doctor, the Brown mother and daughter falsely claimed that the child died to suffocation.

Lila needs money to save an orphanage, while William is a billionaire who hates gold-diggers. Though they suddenly become married, William decides to hide his riches thinking that Lila could just be after his money. As time passes, William falls deeply in love with Lila… problem is, she hates liars more than anyone else.

After Miranda Quinn, the heiress of the Quinns, spent an intimate night with Daniel Jonas, he mysteriously vanished without a trace. Miranda's stepmother and stepsister conspire to catch her in the act and accuse her of promiscuity, leading to her expulsion from the house. Feeling betrayed, Miranda retreats to the countryside and apprentices under an expert doctor to learn medical skills. Discovering her pregnancy later on, she gives birth to quintuplets. Six years down the line, she returns to her homeland with her children and opens a clinic. Meanwhile, her five children are eager to find their father...

Lila needs money to save an orphanage，so she hastily marries William, thinking he’s just a poor guy. But after falling for him, she discovers he’s actually the city’s richest CEO......problem is, she hates liars more than anyone else.

The only daughter of the Alpha King, Isabella, lost everything during a massacre and even became a slave to another pack. Years later, her childhood knight suddenly reappears and guides her in regaining her white wolf powers. They then fight side by side to bring down the all the liars, traitors, and murderers in their lives.

Brilliant little Tammy Walton lives with her mom, Cheryl Davis, who gets treated like dirt by her husband for not being pretty enough. Dennis Walton is too busy spoiling his sister-in-law, Theresa, and her daughter, Angela, to care about his actual family. When Cheryl dies, Tammy crashes Dennis' wedding in funeral clothes and ends up dying in the fight.Plot twist - she wakes up a year earlier with Cheryl still alive! This time, Tammy uses her smarts to save her mother's life, help her get beautiful again, and convince her to divorce the scummy Dennis. Cheryl finally dumps him and becomes the country's first female billionaire.

Brilliant little Tammy Walton lives with her mom, Cheryl Davis, who gets treated like dirt by her husband for not being pretty enough. Dennis Walton is too busy spoiling his sister-in-law, Theresa, and her daughter, Angela, to care about his actual family. When Cheryl dies, Tammy crashes Dennis' wedding in funeral clothes and ends up dying in the fight.Plot twist - she wakes up a year earlier with Cheryl still alive! This time, Tammy uses her smarts to save her mother's life, help her get beautiful again, and convince her to divorce the scummy Dennis. Cheryl finally dumps him and becomes the country's first female billionaire.

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?" 

College student Anna is betrayed by her boyfriend, who tries to sell her virginity at a club. Business tycoon Ryder saves her... but then invites her to sign a BDSM contract, making her his "Kitten". Little does he know that she's actually the angel who saved him when they were young - the one he's spent a decade searching for.

"If she can't reclaim love within a week… what will become of her?” In a world obsessed with appearances, a fantasy romance thriller unfolds—one that shakes love to its core. After seven years together, she is abandoned by her boyfriend for one cruel reason: she isn’t pretty enough. Consumed by betrayal and rage, she reaches the depths of despair—only to find herself standing in a plastic surgery clinic. That’s when Lucifer appears before her, whispering a tempting offer. “Would you like to be reborn with a new face?” But there’s a catch. If she fails to win back love within seven days, she will be condemned to live forever with a grotesque face. Bound by a devil’s contract, Jung-yun is granted breathtaking beauty. Yet what begins as a simple desire for revenge soon forces her to confront the deepest parts of herself. Between what is seen and unseen, love begins to bloom. What is love? Who am I, really? A chain of endless questions leads into a complex and delicate psychological thriller—where love and revenge collide, both inside and out.

Monica’s first love was the high school quarterback, Sebastian, who grew up to be a star football player while Monica is now just a cleaner. Sebastian resents Monica for aborting their baby seven years ago, but little does he know that Monica has always been deeply in love with him - until their secret child Ian calls him Dad!