World War II. Lieutenant Bogdan Mayer is tasked with delivering a sample of valuable metal alloy from Warsaw to London. World War II. Lieutenant Bogdan Mayer is tasked with delivering a sample of valuable metal alloy from Warsaw to London. World War II. Lieutenant Bogdan Mayer is tasked with delivering a sample of valuable metal alloy from Warsaw to London. World War II. Lieutenant Bogdan Mayer is tasked with delivering a sample of valuable metal alloy from Warsaw to London.