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Ah-young, a grown orphan with government aid cut off, starts working as a nanny for Young-chae, a single mother who works at a bar to make ends meet. One day, while Ah-young is asleep, Young-chae comes home drunk and seriously injures her baby by mistake. As Young-chae blames it on Ah-young, they drift apart. Then one day, Ah-young finds out that Young-chae is trying to give her baby up for adoption, and goes to stop her. —Lotte Entertainment