study group episode 5

Layla Nott has been infatuated with Seth Upton since she was a teenager and even willingly gives him her vast inheritance to help him build Upton Group, transforming the Upton family into one of the most prominent families in Yeldon. However, ever since she married into the Upton family, her health has deteriorated. One day, after a visit for medical treatment, she returns home to find Seth fooling around with her stepsister, Sharon Black. Septh's mother, Susan Upton, is at home and clearly condones the affair. After being humiliated by Sharon and Susan, Layla is left shaken by Seth's confession—he has only ever been interested in her wealth and has never loved her. He has even purchased a massive life insurance policy on her and is now waiting for her death to cash in on the payout. Heartbroken by the revelation, Layla feels her life is pathetic. Impatient for her demise, Seth takes her to the rooftop and pushes her off. As she plunges to her death, Layla swears that if she were given another chance, she would exact her revenge and make sure they pay for their betrayal.

Tansy West, the eldest daughter of the West family, escapes her political engagement to Edric Byrd, the eldest son of the Byrd family, by running away during the engagement party and disguising herself as a man. In her escape, Tansy accidentally becomes Edric's bodyguard. As they spend time together, they develop feelings for each other. However, Edric, originally biased against his fiancee, mistakenly believes he has fallen for his male bodyguard, causing much humorous confusion. Tansy helps Edric deal with his malicious stepmother and his scheming younger brother. She attends a gathering in her female guise, where her brother and parents recognize her. To ensure the couple's marriage proceeds smoothly, both sets of parents knock them out and send them to the wedding venue. The male lead's younger brother is captivated by Tansy's beauty and wishes to marry her himself. During another escape attempt, Tansy and Edric discover each other's true identities. Edric begins to acknowledge his feelings for Tansy, and they confess their love for each other. With her help, Edric successfully defeats his father, regains control of the Byrd Group that rightfully belongs to his mother, and lives happily ever after with Tansy.

Kang Do-hyun chooses an ordinary life as a taxi driver to avoid inheriting his father’s family business. One day, he happens to rescue Cha Eun-seol, who is fleeing a chase and has accidentally taken the wrong medication. After a one-night encounter, they part ways and return to their separate lives. Four years later, a stylish CEO shows up with a child and proposes marriage to Do-hyun. After registering their marriage, Eun-seol faces pressure from her parents to abandon the child, but Do-hyun appears and protects both mother and daughter. As her company falls into crisis, Eun-seol attends a family banquet of Taegang Group—the most powerful conglomerate in Country A—to secure a 10-billion-won investment, unaware that the chairman is actually her husband’s father. At the banquet, despite pressure from her former fiancé Gu Jung-tae, Do-hyun’s father protects his granddaughter Kang Rumi and makes his presence known, yet he can only approach her as a “grandfather” without revealing his true identity. As time passes, Do-hyun and Eun-seol grow closer. However, after failing to secure investment, Eun-seol risks both her company and her board position by making a dangerous bet with her father, Cha Myung-hwan. At this critical moment, Do-hyun seeks out his father, accepts the responsibility of becoming the heir, and begins to take action himself. In the end, at a press conference, the capital and influence Do-hyun has prepared turn the situation around. Eun-seol not only saves her company but also secures full ownership, achieving both love and success.

Serena, heiress to the Klein family, married Nathaniel after six years together—unaware their perfect love was his revenge scheme. Years ago, Serena's father Victor stole Nathaniel's father's drug formula, killed him, and built his empire. Nathaniel faked deep affection to get close, plotting his revenge. Serena's world collapsed: her father imprisoned, her mother dead from the shock. On her mother's funeral day, Nathaniel attended an awards ceremony with actress Vanessa. He seized Klein Biotech, served Serena divorce papers, confessed all his lies, and left her with nothing—destroying her faith in love. With friend Sophie's support, Serena rebuilt her life. She worked from the bottom at Sophie's studio while connecting with her mother's lawyer, Alex, determined to uncover the truth and clear her father's name. She faced Vanessa's humiliation but struck back calmly, partnered with veteran journalist Lee, used media pressure against Nathaniel, and hunted for evidence proving her father's frame-up. Nathaniel planned his engagement to Vanessa, but Serena exposed her secrets—turning the celebration into a farce. Desperate, Nathaniel used his power to crush everyone around her. But with help from an old servant, Serena found her mother's clues and located key witness Old John, learning the truth: while Victor had his faults, Nathaniel's father had also stolen Klein's core technology—and Nathaniel's conviction evidence was forged. Armed with proof, Serena launched her final counterattack. Together with Alex, Lee, and Victor's former allies, she exposed Nathaniel's fabricated evidence and illegal financial dealings. Nathaniel landed in prison, Victor's sentence was dramatically reduced. Serena reclaimed Klein Group, became CEO, reformed the company, helped Sophie rebuild her studio, rose from the ashes, and stepped into her own future—free at last.