Final Payment is a Cold War thriller. When an Israeli aircraft struck by a missile fired from Egypt crash lands in the occupied Sinai, CIA officers Serina Gray and Clay Kinkaide are tasked to purchase the damaged Soviet weapon. The Israeli Mossad agrees to sell it, but demands a strange price: $10 million cash and Joachim Van Altmann, a U.S. Citizen serving as caretaker officer on a ship marooned in the Great Bitter Lake, whom they assert is a Nazi war criminal. Van Altmann is not a Nazi, but an NSA officer operating a secret monitoring station on his ship. When the Mossad rejects CIA...