when does katherine come back in vampire diaries

Luisa and Sheldon dated for three years and were married for four, building a relationship that lasted seven years. However, Sheldon chose to believe his mistress and personally brought Luisa to court. In the courtroom, he pressured Luisa to plead guilty, leaving her heartbroken. Yet, Luisa fought back, proving her innocence and revealing the true nature of the other woman to Sheldon. At the moment she was acquitted, Luisa looked at Sheldon and said, "Let's get a divorce."

Calvin Gordon, a prodigious talent in stitching, lands an internship at Kindness Hospital. On his very first day, he performs an emergency rescue on Hector only to be fired by Joseph Smith for allegedly breaking the rules. Undeterred, Calvin continues saving lives at a clinic and showcases his medical skills at a dramatic car accident scene, earning the admiration of Professor Nelson.Joseph, once a relentless rival, is gradually won over by Calvin's unparalleled expertise. In the end, Calvin not only provides the key evidence to clear his father's name but also joins forces with him, advancing side by side in their pursuit of the true calling of medicine.

A pair of orphaned siblings were separated in childhood. Years later, the sister became a billionaire and tirelessly searched for her brother’s whereabouts. Meanwhile, the brother woke from a comatose state, and he and his wife endured relentless abuse from villains. After the sister found her brother, she punished those who had wronged him, only to be counterattacked by the villains. Faced with the oppression of both his sister and wife, the brother finally revealed his true identity...

After six years together, Felix Gray breaks up with Mindy Rae Carter, holding his new lover close. Mindy doesn't argue. She grabs her suitcase, takes the breakup money, and leaves without a word. Everyone in the capital expects her to come crawling back within days—after all, she has loved him blindly, without pride or temper. But three months pass, and she still hasn't returned. Felix, once confident and unbothered, grows restless. Regret creeps in, and the silence between them begins to weigh on him. He misses her.

Once a top kickboxer, Chuck, loses his daughter in a tragic accident. His marriage collapses, his career is erased, and he sinks into despair. Everything changes when he meets Nancy, his kindhearted landlady, and her daughter Mia.Just as life gives him a second chance, Mia is kidnapped by a criminal gang led by Gus after her rare blood type is exposed. With nothing left to lose, Chuck steps back into the fight, fighting against the underworld. With help from ordinary people at the bottom of society, he finally delivers justice.

After the great war between humans, vampires, werewolves, and elves, an agreement was made that hybrid offspring would rule the world. Every century, alliances through marriage between humans and those three clans would decide the next ruler. Whoever bore the first hybrid child would claim power for their line. In my previous life, I chose to marry Jax, the eldest son of the werewolf pack, known for his fierce loyalty. I gave birth to our hybrid son, a white-furred pup we named Zeal. Our child became the next world ruler, and Jax gained immense power. My sister had lusted after the elves' beauty and married into their clan. But the elf prince slept with every female in the forest. In the end, my sister caught a disease that left her barren. Jealous and bitter, she set a fire that burned me and my young pup alive. When I opened my eyes again, I was back on the day of the racial alliances. My sister had already slept with Jax first. I knew she had been reborn too. But she didn't know that Jax was brutally savage with his mates, having torn countless she-wolves apart in his bed during his ruts.

Twenty years ago, Quilla saved Yosef and his family by chance.The two fell in love over time, and she chose to stay with Yosef, raising his three children as her own. Twenty years later,the ex-wife Mary reappears. Emotionally, the three children lean more toward their birth mother, so the family decides to drive away Quilla, the only "outsider". Heartbroken, she cuts ties with them for good. Meanwhile, the Grant family's business begins to decline,and Mary proves to be nothing but a gold-digger. They finally remember Quilla's kindness and try to win her back, but her heart is already dead, and she starts a new life.

Born into wealth, Winona Gray risks her life to save Matthew Finch and ends up paralyzed. To test his love,her father tells her to keep pretending she can't walk. On the eve of their wedding, she plans to rise from her wheelchair and reveal her true identity as the daughter of the powerful Gray family. But before she can, she discovers Matthew's affair with her sworn sister, Rhea Blair—shattering her heart and everything she once believed in.

Tiana, the daughter of the Chudy family, was abducted when she was born. Her brother Bennett, fearing their mother's blame, swapped her with another baby, Roslyn, at the time of the abduction, falsely claiming that the kidnapped child was a janitor's daughter. Tiana was raised by Liala and eventually employed by Chudy Group due to her talent. On her first day at the company, she was bullied by Roslyn for saving a colleague. Bennett noticed the resemblance between Tiana and his long-lost sister, delved further into the investigation, and uncovered the truth, confirming that Tiana was indeed his sister. He vowed to protect his sister from harm. With the mystery of Tiana's identity unraveled, her future got brighter under her brother's protection.

After being betrayed and killed by her beloved husband and best friend, Madelyn was reborn. When she returned to life, she completely awakened to the truth and embarked on a journey of revenge. In her quest for justice, she transformed from a victim into a powerful heiress, determined to take back what was rightfully hers.

James was imprisoned after being falsely accused of causing his grandfather's coma. Upon his release, he found his family cold and indifferent—they even pressured him to sacrifice his own leg for Jasper. Overwhelmed by despair, he resolved to cut all ties with the Lynn family. But a twist of fate led him to Zoey. With her unwavering support, James not only cleared his name but also made sure the true culprit, Jasper, was brought to justice.

Joanna Yates owned a successful company originally. After giving birth to a daughter for her husband Kell Robinson, she decided to focus on her family. Yet Mama's boy Kell and his mother colluded with Joanna's older sister Lily Yates to get Joanna's money and kick her and her daughter out. Later, Joanna met Charles Marshall, the president of the Marshall Group and developed a crush on him. Finally, under Charles's help, Joanna got her vengeance and found her biological mother. She even became the princess of the Sullivan Group!

Drugged by her father and sent to her cheating vampire ex, Aria accidentally spends a forbidden night with the newly awakened vampire Lucius. To save her mother, Aria signs a dangerous Blood Pact with him. Bound by desire and fate, Aria carries his ancient bloodline, transforms into a powerful vampire, and finally takes control of her life and love.

The world underwent a resurgence of spiritual force, and only 1% of the population awakened a career-based system, struggling to survive in a chaotic era. Morton Lynn devoted himself wholeheartedly to his girlfriend Julia Irvine, helping her rise to the position of guild commander. However, while Morton was fighting on the front lines, Julia instead went to flatter and cling to Timothy Shelton. Morton ultimately died in a desperate battle, triggering a hidden talent. He was reborn and awakened an SSS-rank hidden career — the Abyssal Lord — becoming humanity's only remaining hope!

Dean Zela was forced by his daughter and son-in-law into a nursing home, only to realize it was nothing more than a prison for the elderly—once inside, there was no escape. Crushed by despair, he withered away and died. But to his surprise, God granted him a second chance at life. This time, Dean swore to cast out his daughter and son-in-law's family and reclaim everything that had once been stolen from him!

Shelley Radcliffe is framed by her stepmother and runs away in anger, where she encounters Heron Fenwick, who is being kidnapped. In an effort to help Heron retrieve his amulet, Shelley loses the use of her hand for playing the piano and the cello. However, Heron mistakenly identifies Elysia Radcliffe as Shelley. Five years later, when Heron returns to the country, he pursues Elysia wholeheartedly, only to once again find himself in a series of misunderstandings…

In a calculated move to align herself with the illustrious Grey family, Baird Grey's former lover, Muriel Will, drugged him. However, her plan backfired when Baird eluded her trap and found himself slept with Tess Yule. Fearing exposure, Muriel bribed Ken Aly to falsely claim responsibility for what happened. Unaware of the deception, Tess brought forth a set of quadruplets, only to have three of them callously discarded by Muriel, while the remaining child, Joy, was placed under Ken's guardianship. For seven long years, Ken deceived Tess, exploiting her trust until, upon his promotion, he heartlessly cast her aside and seized her new home. Luckily, in a twist of fate, Tess's act of kindness towards Baird's grandfather led to a reconnection with Baird. In this unexpected reunion, she made a startling realization: the one she had tirelessly sought for years had been a constant presence in her life.

When Cora Snyder regains control of her body after three years, her once-gentle husband has grown cold,her lively son has turned into a mischievous troublemaker, and her obedient daughter has become timid. Her reputation lies in ruins. But Cora wastes no time—she trains her children, wins back her husband,fights fiercely in her career, and reclaims everything that is rightfully hers.