I 2021 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