Frank Salek is an Interpol officer. He is in danger of being suspended by his superiors for his aggressive behavior at work. Frank Salek has a secret organization that specializes in finding clues to child kidnapping. When Salek heard about the death of the choirmaster, he thought he could investigate the case himself. He also found a clue and cooperated with Kasdan to investigate. But as the investigation deepened, they got deeper and deeper into the dark history of World War II.