Germany, 1954. Jozef grows up in a happy household - so it seems. But his father Gerhard still harbours disturbing National Socialism ideals, while mother Catharina is quietly broken. She cannot feign happiness for much longer and rediscovers love elsewhere. Jozef is uncertain and alone. Who is he? Are Gerhard and Catharina his real parents? A dark mystery gradually unfolds, revealing an inescapable truth the entire nation is afraid to confront. But Jozef is determined to find out about the past and a horror is finally unmasked which continues to question our idea of what, in the last hour, makes each of us human. A terrifying and heartbreaking story.