when does katherine show up in season 1

Deliveryman Colton Ward is accidentally knocked over by Winnie Sable, CEO of Sable Corp, and awakens a mysterious countdown ability that reveals everyone's remaining lifespan. He prevents a deadly fate for her,outsmarts his rivals, amasses wealth through treasure appraisal and jade gambling, and plunges into a world of power, fortune, and romance.

Sue went missing in her childhood but was later brought back by her biological parents to the Spears family, where she was bullied to death by the family's adopted daughter, Ruby. After being reborn, Sue used her memories from her past life to accumulate wealth by buying property and gold, winning a competition with her original songs, and successfully creating a short video platform. Subsequently, she fought back against the Spears family's malicious targeting, exposing Ruby's schemes, and severed ties with the Spears family, leaving them filled with regret.

Jack Schulz was the biological son of Jennifer Lynn, a respected surgeon. Due to a misunderstanding with his father, Jennifer resented Jack but favored her adopted son, Matthew Zane—the child of her former lover. After Matthew hit Jack with a car, Jack suffered internal bleeding and was rushed to the hospital. Doctors repeatedly called Jennifer for consent to operate, but she refused to believe the situation.Losing hope, Jack gave up on survival. Matthew found Jack's kidney donation form and secretly changed it to authorize full organ donation. Meanwhile, Jennifer was desperately seeking a heart for Matthew. Unaware of the truth, she ended up dissecting her own son and transplanting his organs into Matthew. Though the body looked familiar, she believed Matthew—until a DNA report confirmed the donor was her real son. Only then did she realize the devastating truth.

In a world overrun by monsters, where Beast Soul Ascendants control fate, ordinary delivery worker Samuel Flynn lives a quiet life—until a routine delivery turns deadly.Hunted by a vicious lizard beast, he faces death, only to be chosen by an SSS-grade Beast Soul left behind by the Beast God, awakening a mysterious power that will change his life forever.

At her engagement party, Reina is devastated to catch her fiancé chrating with her sister. Drugged and heartbroken, she seeks solace in the arms of a striking stranger she meets in a car. Their passionate encounter was meant to be a fleeting revenge, but fate has other plans. This mysterious man turns out to be her fiancé's wealthy uncle, a billionaire who finds himself unable to forget her.

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.

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.

Sophia, the sole heiress of Porthaven's powerful Jason family, spent five years honoring her promise. Five years ago, to save Justin, the man she loved, she struck a deal with Director Cloud. While he worked to develop the cure, she took responsibility for caring for his grandson, Warren, and Warren's young son, Joey, and supporting the declining Cloud Group.Under her protection, the father, the child, and the company all thrived. Yet Sophia's sacrifices were erased. She was treated as nothing more than a nanny. When Warren's ex-wife Quinn returned, they hurt Sophia time and again. When the five-year promise ends, Sophia walks away without hesitation, taking back everything she gave. As Warren loses it all, the truth finally comes to light.

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.

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.

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…

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.

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!

Katie Devin and her sister are about to marry into the Nott family. The older sister, Eliza Devin, an ambitious CEO, is promised to the cold,domineering head of the family, while Katie is paired with the younger son, a popular movie star. On their wedding night, a chaotic mix-up throws everything into confusion. With no other choice, the sisters swap their marriage contracts—turning a twist of fate into a perfect match seemingly made by destiny.

Luke Moore, a business prodigy, made a name for himself when he was 18 years old and returned to his country, founding Moor Corp at the age of 21. However, after being betrayed by his family, he conceals his identity and works as a food delivery rider. When he learns that his girlfriend has cheated on him, he finds himself being pursued. Fortunately, Lena King, someone he met during his childhood, rescues him. Because of the promise they made when they were young, she pressures him to marry her. With Lena's protection and companionship, Luke gradually leaves the past behind and embraces the future with her.

On their fifth anniversary, Emily discovers that she has merely been a “stand-in” for her boyfriend’s first love, Evelyn. Emily immediately breaks up with Ethan and returns to her old life as an up-and-coming researcher. Having long concealed her status as a brilliant scientist, she earns the support of Daniel, the youngest professor at a prestigious university, and ranks first in gaining admission to the PhD program under her dream advisor. Through hard work and resilience, Emily proves her worth to others and simultaneously exposes the carefully constructed persona that Evelyn built for herself. Only then does David realize exactly what Emily is truly capable of, as well as the love she poured into their relationship, leaving him filled with nothing but deep regret as he watches her flourish in her newly reclaimed life.

Noah Marr is the last surviving bloodline of his parents, a young heir who sleeps until noon, counts money until his hands cramp, and lists eating and gaming as his highest aspirations. At his own birthday banquet he announces these goals without embarrassment, and the room collectively writes him off as a useless rich boy. His fiancee moves to break off the engagement. Nobody takes him seriously. Noah takes none of it personally. Then, the people responsible for his parents’ deaths finally step into the light, and everyone who ever laughed at him gets a very different look at who they were actually dealing with. Every sneer he absorbed, every dismissal he let slide, was just silence before the thunder.