who is mastermind about

In a case of switched identities, a false heiress replaced the true heiress to enter a wealthy family. However, the wealthy father also brought the true heiress back. When would the truth about the switched identities be revealed, and how would the true heiress protect herself?

Jewelry designer Zilla accidentally saved Master Smith, who then decided to match her with his grandson, Yasir, arranging an engagement between them. Displeased with the arranged marriage, Yasir left the country in a fit of anger and spent the next three years abroad. During that time, Zilla and Yasir never met—until their first encounter unexpectedly happened in bed. Unaware of Zilla's true identity, Yasir found himself living with her by a twist of fate. As they started cohabiting, Yasir was torn—on one hand, he wanted to break off the engagement, but on the other, he found himself irresistibly drawn to her mysterious alter ego.

When Lynn died, Minna's father met a tragic end at the hands of her half-sister, who shoved him off a high-rise building in front of her own eyes. The man Minna loved most, Ethan, was the one who personally ensured her imprisonment. Enduring three years of torment behind bars, Minna was left shattered by Ethan's parting words: "Take good care of her." Determined to reclaim all that was lost, Minna emerges from her incarceration, vowing to restore what was taken away.

A sudden car accident transforms Marcel Randall, the top billionaire of the Oplacor nation, into a vegetative patient. His girlfriend Lauryn Logan, unaware of his true identity, remains unwaveringly committed. Enduring contempt and mockery, she works desperately to earn money, with her sole aim being to keep Marcel alive. After six years, Marcel awakens and witnesses the woman who struggled relentlessly in dire circumstances for his survival. Overwhelmed with emotion, Marcel vows to never let anyone who has ever insulted Lauryn go unpunished, determining that all the world's honor shall ultimately belong to her.

Olivia Carter has waited for someone from the Kane family to marry her for 20 years. However, her mother, desperate for a 200,000 dowry, marries her off to someone else instead. When Ethan Kane arrives at Blossom Village, his convoy crosses paths with Olivia's wedding procession. Spotting the family heirloom ring on her, Ethan realizes she is the one he was engaged to. On her wedding night, Olivia's new husband dies from excitement, leaving her a widow. The Grant family exploits her to repay debts. Ethan finally discovers that Olivia is the girl who saved him years ago and arrives in her moment of need, offering her unconditional respect and love. Together, they build a happy life.

In her past life, Xamira was betrayed by her lover and his scheming mistress, enduring eight miscarriages orchestrated by their cruelty before dying in agony. Reborn with vengeance in her heart, she married Jotham Shadforth—the ruthless billionaire who ruled Solthar with an iron fist. To her surprise, he showered her with unwavering devotion, and their passionate union soon blessed them with a child. But as Xamira plotted to make her enemies pay, a dark truth threatened to unravel her new life. Would her second chance end in triumph or tragedy?

In a family where sons inherit the fortune, while daughters are treated like strangers, Grace Reid is determined to secure her own position. To ensure her status, she switches her newborn daughter with another family's son. The baby girl is left in the care of Beatrice Young, who, more interested in money than motherhood, abandons the child. But twenty years later, Beatrice returns, presenting her own daughter as Grace's biological child, and Grace, desperate to marry off Abby as her daughter, begins to subject her real daughter, Kiana, to relentless humiliation and manipulation, pushing her to divorce her husband, Ashton Grant. In a twisted effort to bolster Abby's future, Grace even schemes to take Kiana's life…

Cleo Waverly, a billionaire CEO, is betrayed by her husband of three years. To escape his attempts on her life, she ends up living on the streets, hiding and surviving as a homeless woman. In her darkest hour, she is rescued by Gus Hastings, the CEO of Apex Group, who is living under an assumed identity while caring for his ailing family. As they spend time together, Gus helps Cleo reclaim her former glory, while Cleo helps Gus confront and heal from the childhood trauma and long-standing emotional wounds he carries. Together, they embark on a journey of mutual redemption.

Three years ago, Rebecca Johnson discovered her foster family took her in for her utility, intending her to protect Sara Johnson, their heiress. Unaware, Rebecca's beauty bred resentment in Sara, who manipulated her father into sending Rebecca to an older man. In self-defense, Rebecca stabbed him, leading the Johnsons to confine her to Grotom Island's asylum under the guise of mental illness. After enduring three years of hardship, Rebecca survived. Unbeknownst, the Johnsons sought to eliminate her to avoid scandal when allying with Andrew Moore. Andrew, rumored to have visited Grotom Island, mistook Rebecca for his deceased sister upon meeting her. Returning, Rebecca used this error to stay with Andrew temporarily, focused on avenging the Johnsons. Despite repeated close encounters, Andrew's probing spared her, not knowing he'd already seen through her facade. Her true self intrigued him deeply.

Sophie was treated as a blood donor for her brother since birth. Later, her brother sells her to a pervert. In a moment of crisis, she meets Reid Graham, who is allergic to women. They accidentally become intimate, resulting in Sophie becoming pregnant with triplets. The two begin a journey of mutual redemption.

When Wendy Smith heads out to deliver orders, she crosses paths with Wesley Lane, who is on the run from an arranged marriage. In a twist of fate, Wesley inadvertently ends up in her house and becomes her unexpected housemate. Neither of them has any clue about the other’s true identity. Unbeknownst to them, Wendy is the woman Wesley spent a fateful night with five years ago. After navigating a whirlwind of misunderstandings, the truth finally comes to light, revealing their intertwined destinies.

In the Eldoria legal circle, newcomer Helen Jones was targeted by rumors spread by the opposing lawyer in a case. Sam Liam, who had just returned from Nexa, timely appeared to help. Helen had harbored a secret crush on Sam since high school, and her aspiration to become a lawyer was also inspired by his encouragement back then. So when Sam proposed marriage, she said yes at once. However, her step-sister, Hana Seth, found out about their marriage and, also having a secret crush on Sam, repeatedly targeted Helen. Although the issues were resolved without major trouble, Helen was deeply embroiled in a rumor scandal. Meanwhile, she was admitted to the law graduate program at the University of Nexa, so she decided to leave the law firm to pursue further studies. Sam became an adjunct professor and went with her. Cole Skyler, a law firm partner, traveled to Nexa on business and, upon learning that Helen was studying there, began to target her. But he was impressed by her resilience and eventually changed his attitude, choosing to bless them. Sam and Helen ultimately achieved a happy ending.

Celia grew up in an orphanage. After being reunited with her family, her mother passed away during a bitter divorce. The orphan girl she adopted, Nancy, turned out to be a matchmaker who accidentally bound Celia to her cold CEO boss, Henry. Haunted by childhood trauma, Henry was physically allergic to women, rendering his blind dates disastrous—until he met Celia and relentlessly pursued her. Mistaking his avoidance of others as disinterest in women and fearing their professional ties, Celia fled and even tried to quit. They forged a marriage pact to cure his condition, but their fragile bond was sabotaged by Celia's stepsister. With Nancy's schemes and Henry's grandmother's support, their relationship deepened. When Celia's childhood friend returned, declaring their love a "fake crush." Could their fragile bond survive?

Upon discovering she had only three months to live, Charlene finally realized she had been used by those around her and resolved to live for herself at last. So, she confronted her colleagues, exposing the dark side of her workplace, completely cut ties with her parents, who favored her younger brother, and ended her relationship with her unfaithful fiancé. In her final days, she agreed to Elbert's pursuit, making him her last boyfriend...

Irene Chandler is a dedicated doctor who, on her wedding anniversary with Sylvan Hendricks, works late into the night performing surgery. Left feeling neglected and frustrated, Sylvan turns to alcohol and ends up in a reckless affair with Azalea Davenport. When Azalea gives birth to a daughter with a congenital heart condition a few months later, Sylvan shifts the blame to Irene, accusing her of failing as a wife and mother. Yet, the real truth is that Sylvan’s infidelity has brought about a karmic twist of fate, revealing his own shortcomings.

Stella Hart, once a wealthy heiress, is lost and taken in by her foster mother, Serena Cook, who arranges a betrothal between her and her son, Jason Vale. After Jason suffers an accident, Stella sells herself to a childless couple to save him. However, once the couple adopts her, they later have twins and decide to abandon her. Stella’s grandmother, unable to bear her suffering, takes her in and cares for her with great love, leading a life of mutual dependence. Meanwhile, Jason and his mother work tirelessly to find Stella, and eventually, Jason becomes the president of a publicly listed company. On the other hand, Stella faces a series of misfortunes, including betrayal and mistreatment by a man she thought she loved. When Jason finally finds Stella, the person he has cherished since childhood, he vows to make up for all her suffering. As their story unfolds, Stella’s true identity gradually reveals itself, and they eventually reunite, with true love prevailing in the end.

In a family biased towards sons, Sheryl's existence as a daughter was deemed a sin. Her college admission letter was stolen, and she was nearly sacrificed to the dragon god in an escape attempt. Her mute father, beaten to the brink of death trying to save her, fueled her resolve. Escaping her ordeal, Sheryl vowed to rise to prominence, return to support her parents, and ensure those who wronged them faced retribution.

Joanna, the only daughter of wealthy Spencer family, was abandoned by her grandmother who favored boys. After losing her memory, she was raised by a fishing village elder. By a twist of fate, she joined Spencer Group, where misunderstandings led to her regaining her memory and reuniting with her family.