Frank Salek is an Interpol, and his excessive behavior at work is in danger of being suspended by his boss. Frank Salek has a secret organization that specializes in finding clues to the kidnapping of children. Salek, who heard about the death of the choir director, thought he could investigate the case himself, and he had found a clue and cooperated with Kasdan to investigate. But as the investigation deepened, they got deeper and deeper, and those secrets were hidden in the dark history of World War II.