Watch "Red Balloon" on Netflix Ireland

Cho Eun-gang works alongside her wealthy best friend and jewelry designer, Han Ba-da, while supporting her boyfriend — who finally brings home good news.

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Even after a harsh argument with Kwon Tae-gi, Eun-gang continues to dream of a future with him. Ba-da encounters trouble with her in-laws.

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The continuing conflict with Na Gong-ju puts a strain on Ba-da’s marriage. Eun-gang suspects that Tae-gi may be up to something.

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After the dinner with Eun-gang’s parents, Tae-gi realizes that he’s had enough. Cho Eun-san confronts her sister for staying in a loveless relationship.

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While Eun-gang deals with heartbreak, Eun-san grows closer to her boss. Ji Nam-cheol fights back after enduring years of mistreatment from Ko Mul-sang.

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After Nam-cheol’s ultimatum to Mul-sang, Ko Geum-a steps in to restore the peace. Tae-gi pays Ba-da a visit with ominous warning.

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Upon returning from Sokcho, Eun-gang gets into a big altercation with Ba-da. Meanwhile, Eun-san and Nam-cheol see their relationship deepen.

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Ko Cha-won discovers that Ba-da has been keeping a secret from him. In Sokcho, Ba-da grabs a drink with an old friend after a chance encounter.

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While Ba-da is away on her trip, Cha-won spends time with Eun-gang at the amusement park. Amid increasing suspicions, Mul-sang begins tailing Nam-cheol.

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Cha-won asks Eun-gang about the nature of Ba-da's relationship with Shin Gi-han. As Eun-san's relationship with Nam-cheol grows, so do her desires.

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As Cha-won begins avoiding Ba-da, she finds a suspicious item in his pocket. After Nam-cheol cedes to Mul-sang's demands, Eun-san looks for Geum-a.

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After hearing the truth from Eun-san, Geum-a goes to confront Nam-cheol. Cha-won explodes at Ba-da after she returns home from a drunken night out.

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An explosive revelation rocks Mul-sang's household. Caught in an emotional entanglement, Eun-gang and Cha-won share a private moment.

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Amid increasing personal troubles, Ba-da harshly confronts Cha-won. After witnessing a shocking scene, Yeo Jeon-hui tells Ba-da the whole story.

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Upon finding out the truth, Ba-da summons Eun-gang and Cha-won. Meanwhile, Eun-san and Nam-cheol come face-to-face once again.

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Cha-won searches for Ba-da in the wake of her disappearance. Mul-sang attempts to separate Cha-won and Eun-gang. Eun-san's father pays Nam-cheol a visit.

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Cha-won's feelings begin to waver despite Eun-gang's steadfast devotion. Upon learning the facts, Cho Dae-bong begins to feel guilty for his actions.

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While celebrating her good news with Cha-won, Eun-gang runs into Ba-da. Nam-cheol asks Geum-a for restraint as tensions come to a boil.

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As Eun-san prepares to go overseas, Nam-cheol and Geum-a discuss their marriage. Ba-da executes her revenge plot against Eun-gang and Cha-won.

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Nam-cheol and Eun-san share a tearful reunion. Cha-won inquires about Eun-gang's past. Eun-gang makes a final decision as she prepares for her new job.

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