Beauty and Mr. Romantic

Moon and Star (1x18)

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Pil-seung is confused after he sees Ji-young's tattoo on her ankle, which looks exactly like the one Do-ra had. He travels to her hometown to talk to her grandmother and finds out she had amnesia. Meanwhile, Ma-ri visits Sun-young's place to see Pil-seung again, and Do-jun realizes he used to live with them when he was young.