Beauty and Mr. Romantic

The Hurtful Truth Revealed (1x13)

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Mi-ja is infuriated as she witnesses Do-ra with Pil-seung instead of Jin-dan. She barges into Pil-seung's house and causes a scene, so Pil-seung's family also finds out about their relationship. Pil-seung feels awful to see Sun-young in pain, so he decides to end things with Do-ra for good.