is the vow based on a true story

Frank had been adopted by his foster parents who doted on him dearly. But everything changed the day his foster parents officially recognized Timothy, their biological son. No matter how earnestly Frank explained, his adoptive father chose to believe the newly acknowledged heir over the son he'd raised for over twenty years. Frank had overlooked the bond of blood. On Timothy's birthday celebration, Frank died in a car crash. In his final moments, Frank realized the entire tragedy had been orchestrated by Timothy. Consumed by regret and rage, his world plunged into darkness. When he opened his eyes again, he found himself back to the fateful day, his wife’s leap from the building.

Isabelle, the CEO of New York City’s Weston Group, wants to bring her elderly father, Jerry, from her hometown to the city so she can take care of him. Jerry hence sets out for the Big Apple, but neither father nor daughter expected that this journey would become a nightmare. No one knows that Jerry is Isabelle's father, and instead assume from his plain clothes that he’s a beggar or a pervert. Jerry suffers bullying and abuse by Weston Group’s employees and partners, until Isabelle finally arrives......

Joliet and her husband, Marvin, returned from abroad with their son, excited to reunite with their family. However, a sudden car accident shattered their happiness. Shockingly, the fatal crash was caused by Marvin's own siblings, Helena and Jerome. Unaware that the victim was their younger brother, they not only failed to offer help but also fled the scene. Joliet found no assistance and was coerced into signing a settlement. Helena even refused to pay for the medical expenses and verbally abused Joliet, ultimately causing Marvin to miss his chance for rescue and die in despair. Joliet intended to return home with her husband's ashes but was mistaken for a scammer by the oblivious Helena. In the end, the truth was revealed, and Helena realized that she had inadvertently killed her beloved brother. Overcome with guilt, Jerome chose to turn himself in. Joliet took her son back abroad, leaving the unstable Helena to face a lonely life alone in her remaining years.

Caden, the youngest scientist, faced a tragic life due to family conflicts. After being reborn, he decided to distance himself from his original family and live for himself. In this new life, Caden no longer remained weak; he proved his abilities to his deskmate, his family, his classmates, and even to the entire nation and the world. He established himself as a once-in-a-millennium genius.

Grace Smith's father, Lucas Brown, brings his illegitimate daughter Sophia Brown into the Smith family using a fake paternity test and falsely claims that Grace is not their biological daughter. Grace's birth mother, Helen Smith, never doubts this deception and even tortures and mistreats Grace for Sophia's sake. Sophia schemes to have Grace sleep with a homeless man, but unexpectedly, Grace encounters Eric Moore, a powerful figure in the city. When Grace has nowhere to turn, she seeks Eric's help after discovering she is pregnant with his child. They have a flash marriage, and from then on, Grace enjoys a life of being doted on by her wealthy in-laws while getting revenge on those who wronged her.

In his original timeline, Felix Cheney, chairman of Lacario Group, was betrayed and tormented by Ena Lewis and her family. He lost his company, watched his mother suffer, and ultimately died in despair—with hatred in his heart. But fate gave him a second chance. Reborn in 2018, Felix vowed revenge. At a charity auction, he set up Ena's mother, Gloria Lindsey, let her overbid, and then refused to pay, plunging her into chaos. Meanwhile, he found Lacario Group in disarray under Ford Lewis' mismanagement and began purging the rot from within. As his family faced harassment from Howard Lewis, Felix stepped in just in time to protect his sister, Sharon. Through the trials that followed, he rebuilt broken bonds and led his family toward a stronger, brighter future.

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.

On the day of Valeria Castle's engagement, her mother, Marilyn Castle, arrives at the banquet disguised as a cleaner, only to face humiliation from the Hardy family. A wealthy woman fights her over a parking spot, her future mother-in-law enforces strict household rules, and her fiancé demands an outrageous betrothal gift. But Marilyn soon reveals her true identity. Wayne Cuddy, Aaron Shaw, and Basil Brady step in with a billion-dollar dowry, instantly turning the tide. From that moment on, she proves her strength time and again, expertly resolving the crisis at Price Corp. In the end, as foreign capital threatens their empire, she takes Valeria abroad—ready for the next battle.

Janet Driscoll, once the cherished darling of the family, was devastated to discover that she was not her parents' biological daughter. After their real daughter, Jaime, was welcomed home, her once-loving parents and brother began to trust Jaime blindly, hanging on her every word.When Janet was falsely accused of pushing her grandma down the stairs, the Driscoll family, without hesitation, sent her to a harsh reform school. There, she endured three years of inhumane torment that left her with permanent, life-altering disabilities.Three years later, when the family finally brought her home, they were shocked to find that the bright, cheerful Janet they once knew had vanished. In her place stood a cold, distant young woman who had shut them all out.

Wen Ruyi, the abandoned illegitimate daughter of the marquis' household, unexpectedly returns home after years away. To the world, she's just a substitute bride for her perfect, legitimate sister. But beneath the surface, she carries the weight of a darker purpose—seeking justice for her mother's death. As the vibrant capital buzzes with intrigue, the culprits behind her mother's tragedy begin to reveal themselves, one by one. With her heart torn between the past and the future, how will she decide what path to take?

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.

On the day of Valeria Castle's engagement, her mother, Marilyn Castle, arrives at the banquet disguised as a cleaner, only to face humiliation from the Hardy family. A wealthy woman fights her over a parking spot, her future mother-in-law enforces strict household rules, and her fiancé demands an outrageous betrothal gift. But Marilyn soon reveals her true identity. Wayne Cuddy, Aaron Shaw, and Basil Brady step in with a billion-dollar dowry, instantly turning the tide. From that moment on, she proves her strength time and again, expertly resolving the crisis at Price Corp. In the end, as foreign capital threatens their empire, she takes Valeria abroad—ready for the next battle.

Emma is a single mother who's relied on her wits and guts to raise three wonderful sons. On her father's 70th birthday, Emma's mother invites her home... but Emma is greeted with nothing but harassment and bullying from her two jealous sisters and money-grubbing father. Even her eldest son's fiancee humiliates her at a party, and her long-divorced ex-husband and best friend treat her like trash! But Emma ultimately overcomes all the prejudice, finding true love and happiness anew.

After the devastating earthquake, Susan Lewis lost her left arm while shielding her children. Her third son, Ash, went missing, and her eldest son and second daughter promised to honor and care for her. However, over twenty years later, they broke their word and tried to force Susan out of their lives. At this moment, Ash, now the CEO of the Stone Group, unexpectedly reunited with his mother, who had been cast aside.

In the 1990s, Trenton Zoller, the director of Windi Factory, was suddenly diagnosed with Alzheimer's disease. Feeling disheartened by his wife Madelyn's cold violence, Trenton refused the doctor's proposed treatment plan and decided to conceal his illness. He resolved to help the factory undergo reorganizing before losing all memory, ensuring the workers would not lose their jobs. Eventually, he planned to pass away with dignity once his memory faded completely. Misunderstood by his wife and the factory workers, Trenton had to sadly depart as his factory reorganization plan was misconstrued. Madelyn, upon learning the truth, was consumed with remorse, left only with Trenton's ashes. A decade passed in the blink of an eye, until one day Madelyn saw a person in the newspaper who bore an uncanny resemblance to Trenton Zoller...

Born into opulence, a wealthy family's infant daughter was unknowingly exchanged with the offspring of an inept collector. A relentless quest to reclaim their own led to a startling revelation—both youngsters, now students at the same institution, had developed into bitter rivals.

Esther Yale grew up relying solely on her father, Edmund Yale, after her mother, May Dayne, left the family. Years of overwork took a toll on her health, and Esther developed cancer. Struggling to afford her father's medical expenses, she reluctantly sought help from her estranged mother, who had built a new life for herself. However, her attempt to reconnect was met with staunch opposition from her grandfather. After Edmund's tragic passing, Esther, burdened by grief and resentment, accepted a job as a caregiver in the Dayne Residence. Immersed in her mother's world, she began to uncover the depths of May's hidden love and sacrifices. Slowly, Esther's hatred gave way to understanding and forgiveness. When faced with a terminal diagnosis, Esther made the ultimate sacrifice to save her younger brother, leaving behind a legacy of love and reconciliation.

Leon Johnson had been working when he suddenly collapsed. After being diagnosed with cancer and given only three months to live, he decided to keep the diagnosis a secret from his wife, Rachel, not wanting to burden her. That evening, Rachel insisted he accompany investors for a drinking session that left him vomiting blood. Despite his condition, Rachel was constantly defending her first love, Yosef Lloyd. Leon managed to land a major contract and, excited about his success, rushed home, only to find Rachel feeding Yosef porridge, which sparked a heated argument. When Leon vented his frustrations to Rachel, she stormed out and climbed into a car with the drunk Yosef. In a tragic accident, Yosef crashed the car and killed Rachel's mother. Leon took his mother-in-law to the hospital, but the delay in getting there led to her death. The loss of his mother-in-law, who had always treated him like a son, hit Leon hard. But when he revealed the truth to Rachel, the wife he had once loved deeply refused to believe him, accusing him of lying.