After dropping out of college, a young woman wanders through New York both invisible and vulnerable, studying the city's strong magic and longing for a man she knows will never love her back. She thinks she finds salvation when Charlotte Herzfeld, the young wife of a successful businessman, hires her as a live-in nanny to accompany the family on their trip to Berlin. As the Herzfelds begin to crack under the weight of their secrets, she finds herself in a more precarious position than ever before.