how did katherine come back in season 8

"Today's our wedding anniversary, but my husband spent it celebrating his ex-girlfriend's birthday..." Natalie resolves to end her marriage and return to her true identity. Once the misunderstanding is revealed, her ex-husband regrets what he did and tries to get Natalie back. But another man appears by Natalie's side: her ex-husband's half-brother...

I'm Isa Borgia, the daughter of the most powerful Don in Corvina. My father worries I'll marry the wrong man on a whim, so he arranges for me to be engaged to Luca, the rising heir of the Marino family. It's an arranged marriage, but that doesn't mean I've lost all my say. The very least I can do is choose a ring I genuinely like. So, I go to the mafia auction. When the diamond ring appears as the final jewel of the night, I lift my paddle. Just before the gavel falls, an arrogant voice comes from behind me. "A country bumpkin like you thinks you can compete with me? Do yourself a favor and leave." The auction hall goes quiet for a few seconds. The only sound comes from the camera shutters clicking around the hall. I turn and see a woman in a gold couture gown. Her mouth curves in a casual smile, as if she owns the place. Before I can say a word, the auctioneer rushes to close the bid.
"Sold! Congratulations to Ms. Sofia Lopez for winning the final lot, the Eternal Star!" My brows pull tight, and a hot spike of anger rises in my chest. "You ended the bidding early! Do you even follow the rules here?" Sofia turns around and gives me a once-over, her gaze sharp as a blade. 
"Rules?" She lets out a cold laugh. "Come on. I'm Luca Marino's favorite godsister. Around here, I make the rules!" I can't help but laugh. What a coincidence. So, she's my fiance's godsister. I pull out my phone and call him. "Luca, your godsister just snatched the engagement ring I picked out. How are you going to handle this?"

Tina and Alan escape an orphanage as children, but years later, their reunion sparks jealousy and betrayal. As secrets unravel and hidden truths come to light, Tina confronts her past and walks away from everything she once knew. In the end, the reunited siblings stand strong, overcoming the lies and infidelity that once tore them apart, ready to face their future together.

Casey, marked by a birthmark on her face, faced rejection from her fiancé. Uniting with her step-sister, they plotted against her, but fate intervened, leading her to a chance encounter with the wealthy Levi. Little did she know, Casey herself was the long-lost heiress of a prestigious family. Five years later, having taken control of the family business, Casey returns with a vengeance, accompanied by her child.

Casey, marked by a birthmark on her face, faced rejection from her fiancé. Uniting with her step-sister, they plotted against her, but fate intervened, leading her to a chance encounter with the wealthy Levi. Little did she know, Casey herself was the long-lost heiress of a prestigious family. Five years later, having taken control of the family business, Casey returns with a vengeance, accompanied by her child.

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.

After her fiancé and stepsister betrayed her, Zoey Quin hastily married Henry Tyler, her fiancé's uncle. She thought it was just a mutually beneficial cooperation, but little did she know that Henry had loved her for years. After several twists and turns, Zoey was touched by Henry's tenderness and attention to detail, and she finally learned of his long-hidden affection. Then they lived happily ever after.

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.

Growing up as a girl from the slums, Sophia encounters the most incredible opportunity in her darkest hour: she's chosen as the heir of the largest organization in the world! As Sophia steps onto this glorious but dangerous path, she'll have to face many trials. Even with the immensely powerful Louis by her side, her victories must come with sacrifices. Sophia will have to rely on her own efforts to truly rise from the ashes...

Ethan Dalton was once a squeegee kid, washing cars on the street—until Richard Harrington changed his life with a single act of kindness.Fifteen years later, Ethan comes back as a rising aerospace tycoon—only to discover Richard has been betrayed by his adopted children, stripped of his company, and pushed to the brink. Now that Ethan is back, can Richard’s ungrateful family survive the revenge of the boy they never saw coming?

Abigail married Jonathan three years ago, but his family believed she did so for their money. The in-law's dislike and a looming homewrecker pushed Abigail to a breaking point, with Jonathan's indifference being the last straw. Seeing Abigail beyond disheartened and ready to leave, it was to Jonathan's surprise to learn the things Abigail endured these three years. Even more to Jonathan's surprise, Abigail is revealed to be... As the truth unveiled and misunderstandings lifted, will the two rekindle their love in the end?

Scarlett's blissful marriage hid dark secrets. A premeditated accident sent her back to the day she divorced her cad husband. Resolute, she signed the divorce and returned to her wealthy family with her child. The husband, back in the past, married his muse, only to find his success was a mirage without Scarlett's support. Realizing too late, no one awaited him, especially not a woman scorned. Scarlett's value transcended marriage, and she soared anew whenever she chose.

To get back at her stepsister/love rival Joan Shaffer, Sylvia Salazar climbed into the bed of Joan's super-rich uncle Jeremy Shaffer and slept with him.Many people thought that Sylvia, her family's burden, had offended Mr. Shaffer, and he'd surely skin her alive. But actually, the overbearing business tycoon doted on Sylvia. When she was bullied, he even said, "I won't do justice—I'll only back Sylvia up!"

Julian Ford's lifelong dream was to marry Quinn Neal. Finally, he made his dream come true one day, and the cool billionaire turned into his wife's most devoted follower. But the woman he adored was not just his wife. She was also a miracle doctor, a design genius, a legendary hacker. Every day uncovered a new identity, and he loved every second of it. Welcome to the sweet, surprising married life of this power couple!

Natalie was once the Parson family's cherished daughter, but her world was shattered when Monica was unmasked as the true heiress. Manipulated by Monica, she was framed for their grandmother's murder and cast out by her family to a hellish reform school. Two years later, she was released, only to be forced into a marriage with a notorious alcoholic playboy. As the truth about her past and the horrors of that "school" come to light, Natalie watches everyone with a cold stare. Her storm of revenge has just begun.

Hera has been abused by her step father for a long time, until she enters the art department of Ston College and meets her classmates Brad and Yoanna. The three of them become good friends by chance. Brad and Yoanna's care for Hera makes her gradually feel the beauty of freedom and gives her the idea to rebel against David and break through the ball cage. But freedom is not easy to come by, and Hera pays a painful price for this new life...

How does it feel to end up at the wrong table during a blind date? David mistakenly marries a gorgeous CEO, and from then on, his life is completely transformed!

In a desperate attempt to fulfill his comatose grandmother's greatest wish, Claude impulsively brought over a pregnant woman at the hospital and told his grandmother that the woman was carrying his child. Miraculously, his grandmother pulled through. However, that very night, Claude dreamed about the pregnant woman... Chloe initially thought running into her baby's biological father at the hospital was a mere coincidence—but little did she know, this man would keep reappearing in her life from that day on...