The Last Witness - WW2 Historical Fiction

What if the woman who loved you most died hiding a monster?When young journalist Luzia Brandt receives her grandmother's final confession, she is left with only a photograph and a chilling request. Her search leads to a forgotten Nazi camp, a shocking truth about the woman she thought she knew, and a survivor who has spent seventy years waiting for this moment. But the deeper Luzia uncovers the past, the more she realizes her grandmother's secret was never about seeking forgiveness.
It was about stopping something that should have remained buried.