The team investigates the systematic looting of Paris during four years of Nazi occupation and tracks missing treasures to Berlin and Switzerland. During WWII, the Nazis stole countless priceless treasures from all over Europe. Hitler dreamed of amassing the world's greatest art collection and his dream became Europe's nightmare. Monuments Men Foundation President, Robert Edsel, journalist Conor Woodman, and WWII historian James Holland explore this greatest heist in history. The investigators work to hunt down the hundreds of thousands of objects and pieces of artwork stolen by the Nazis at the end of World War II.