After her mother is murdered on Halloween, a rebellious teenager travels back in time to 1987 where she must stop the young would-be-killer and get back to her rightful time line before she's trapped in the past forever....
Based on the eponymously titled novel, this is the powerful real-life story of Lale Sokolov, a Jewish prisoner who was tasked with tattooing ID numbers on prisoners' arms in the Auschwitz-Birkenau concentration camp during World War Two....