Life is beautiful for Margaret Regan O'Neill, until she celebrates her twelfth birthday. Born in 1868 in Ireland, Maggie imigrates with her family to the United States. Losing her parents within the space of weeks, her life takes a dramatic turn when she witnesses a murder. Fighting for her place in a world that is hard, she lands a job with Madam Liberty Bouvier whose husband orchestrated the murder she witnessed. Will he recognize her? Maggie discovers a truth that changes her entire future.