Billy has always lives a hard life with her mother. She has been doing chores and errands since she was seven, because she wants to help her mother. She goes to school and waters her neighbor's small urban garden for a few dollars when she goes home. Billy doesn't have friends because she is just too busy to have fun. She is afraid that if she does have friends, they will just hate her for always leaving them to do chores or errands. One day, as she was watering her neighbor's plants, a small creature jumps inside her pocket. When Billy sees the little creature, she takes care of it. The creature becomes a monster that lives inside her closet.