Season 1

Pregnant with Tae-ho's child and dreaming of a perfect family, Myung-hui sees her entire world crumble after uncovering a devastating secret. Her despair deepens when Jung-ran also discovers she is expecting a baby. This unexpected double pregnancy sets a twisted new game in motion.

Myung-hui desperately pleads with Dan-hui to choose life as her sister stands on the edge of despair. While visiting the hospital, Jun-gi listens to the heartbreaking story of the two sisters and the bond they share. Meanwhile, the vengeful Jung-ran begins setting a lethal trap to eliminate Myung-hui. Every choice comes with a deadly price.

Dan-hui and Jun-gi fight desperately to save Myung-hui's child. When evidence of murder is discovered on Myung-hui's body, Dan-hui is thrown into shock. Meanwhile, Jung-ran makes a reckless decision to cover up the crime.

Dan-hui traces Myung-hui's past and moves closer to the truth. Tae-ho digs into everything around him in search of the baby and Myung-hui, while Jung-ran tries to find the baby before Tae-ho does. In the end, Dan-hui finally comes face-to-face with the suffering Myung-hui endured.

Dan-hui collapses under the weight of the tragedy her older sister endured. Yoon-jung and Woo-jin try to comfort her, but Dan-hui resolves to avenge her sister and makes an unexpected decision. Meanwhile, Tae-ho and Jung-ran continue to search for Myung-hui, but with no luck.

While Min-jun and Jin-ju fall deeper in love, unaware of their families' connection, a ruthless war for power rages within Adele Group. A fateful meeting brings Dan-hui face to face with Jun-gi, a man who holds a key to her secret revenge. Their two separate worlds are about to violently collide.

Dan-hui reunites with Jun-gi, expecting to finally complete her long-awaited revenge. While Jin-ju and Min-jun plan a future abroad, a jealous Yu-na discovers their secret, and Jun-gi moves to end his own ill-fated connection with the Adele Group. Every plan has a flaw.

Dan-hui clashes with Min-jun over his plan to study abroad, while the bond between Jin-ju and Min-jun grows even deeper. As the conflict weighs on Min-jun, Hyun-jun vows to help him. Meanwhile, Yu-na struggles with deciding on an additional design to submit for the competition and makes a risky decision.

Jin-ju, Min-jun, and Hyun-jun grow closer as their paths intertwine, but a dark corporate scheme threatens to pull them apart. Tae-ho manipulates Yu-na to steal Jun-gi’s company while Dan-hui receives word that the crucial evidence has finally arrived. The hunt for the truth becomes a race for survival.

Dan-hui risks everything to find the evidence her sister left behind as Yu-na considers a dark alliance with Tae-ho. Meanwhile, a bitter argument sends an unsuspecting Jin-ju on a collision course with a deadly trap. A terrible choice has been made.

Through Tae-ho's scheme, the car carrying Jun-gi and Jin-ju explodes. Yu-na turns her back on Jin-ju's plea for help and makes an irreversible choice. Unable to reach Jun-gi, Dan-hui grows increasingly anxious, while Tae-ho begins plotting a new scheme to seize Temi Bio.

Jin-ju, who survived the tragic accident, learns the hidden truth about her father's accident through James and vows revenge. Believing that Jin-ju died alongside her father, Min-jun visits her grave and mourns. Meanwhile, Dan-hui makes an unexpected proposal to Tae-ho in order to gain more power and influence.

Dan-hui fails to secure a promotion amid the rivalry and pressure from Tae-ho and Jung-ran. Meanwhile, Yu-na does her best to win Min-jun's heart, but he still keeps his distance and does not return her feelings. On the day of Min-jun and Yu-na's formal family meeting, an unexpected woman suddenly appears before Min-jun.

Haunted by visions of Jin-ju, Min-jun sabotages the crucial family meeting, leaving his engagement in tatters. While Jin-ju prepares to enter the Adele Group under a new name, Myung-hui makes a daring proposal to give Min-jun a reprieve. A dangerous game has just begun.

Dan-hui recruits Chloe for a new business venture, and Jin-ju appears before everyone disguised as her. Chloe's striking resemblance to the supposedly dead Jin-ju throws everyone into confusion, while Min-jun becomes convinced she is Jin-ju. Meanwhile, Dan-hui senses something strange about everyone's reactions and decides to keep a close eye on a certain someone.

Jin-ju, as Chloe, tries to seduce Min-jun and sabotage his marriage to Yu-na. Dan-hui remains wary of Chloe's actions but acknowledges her value as a business partner. Meanwhile, Yu-na recalls something as she tries to uncover Chloe's true identity.

Jin-ju slips past Yu-na's suspicions and catches Tae-ho off guard in an unexpected way, prompting Dan-hui to question her impulsive actions. As Tae-ho pressures Yu-na to find proof that Chloe is not Jin-ju, Min-jun refuses to give up hope. Meanwhile, Hyun-jun does his best to get on Chloe's good side.

Jin-ju secures her cover as Chloe through Yu-na while the battle for control of Adele Group intensifies. Tae-ho sets an impossible deadline for a new symbol design to see if Chloe is truly a genius or a fraud. The price of failure is total destruction.

Jin-ju proves her worth by winning the design contest and securing Dan-hui the presidency of the bio division. Just as the Adele Group stabilizes, Min-jun delivers a shocking announcement that leaves the entire family in total disarray. The fight for the throne is far from over.

Scorned and furious after Min-jun publicly ends their engagement, Yu-na sets a vicious trap for Chloe. She orchestrates a massive plagiarism scandal designed to destroy Chloe's career and her burgeoning relationship with Min-jun. With everything on the line, the truth is the most dangerous weapon of all.

Dan-hui stops Tae-ho from framing Jin-ju for plagiarism, while Jin-ju becomes convinced that Yu-na is the one who stole the design book. As Yoon-jung and James set out to track down Jin-ju's false accuser, Dan-hui learns that Chloe looks exactly like Jin-ju and wonders if Chloe is actually her. Meanwhile, Yu-na becomes anxious about the truth coming to light.

While tracking down the false accuser, Jin-ju comes face-to-face with past wounds, and Min-jun begins to question her identity. Determined to uncover the truth about Jin-ju, Dan-hui asks Mrs. Han to investigate. Meanwhile, Jung-ran corners Yu-na and offers a deal.

Yu-na attempts to manipulate the truth with a fake video while Dan-hui uncovers a shocking discrepancy in the evidence. Together with Jin-ju, they set a cunning trap to catch the mastermind before more lives are ruined. A single jacket may be the key to everything.

Dan-hui and Jin-ju work together to obstruct a suspicious stock exchange between Oh Jung-ran and Choi Yu-na. While Park Tae-ho claims ultimate authority over all family matters, Jin-ju attempts a dangerous gamble by getting close to Oh Jung-ran. The hunt for the truth is finally underway.

Jin-ju uncovers a clue to the false accusation case through Jung-ran. Dan-hui finds a way to pressure Yu-na, while Jin-ju and Min-jun seek Hyun-jun's help to expose Jung-ran's involvement. Meanwhile, Geun-tae urges Jung-ran to let the accuser go before it's too late.

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