In present-day New York, Margarita grapples with insecurities on her 56th birthday. She feels neglected by her husband and suspects he’s having an affair with one of his students. Mysteries surrounding two friends offer both a distraction and unexpected insight: Anne, the concierge of her apartment building, has suddenly vanished without a trace, leaving Anne’s mother to confront a long-held secret. Juliana, now in her 80s, is eager to find the woman who changed the course of her life more than 60 years ago.