A vivid historical thriller about a young woman whose quest to free her sister from an infamous insane asylum risks her sanity, her safety, and her life

Charlotte Smith's future is planned to the last detail, but so was her sister's — that is, until Phoebe became a disruption. When their parents commit Phoebe to a notorious asylum, Charlotte knows there's more to the story than madness. Shedding her true identity to become an anonymous inmate, 'Woman Ninety-Nine,' Charlotte uncovers dangerous secrets that haunt the asylum. Insanity isn't the only reason her fellow inmates were put away — and those in power will do anything to keep the truth, and Charlotte, from getting out.