Civilization only exists as a result of global trade. Without countless trucks, trains, cargo ships and aircraft, the world as humans understand it will collapse. In tonight's episode, Ben, Matt, and Noel explore a particularly fascinating aspect of global shipping -- the freight brokers. These companies are logistical giants: in theory, they intervene to make sure everything gets from Point A to Point Z in the most efficient manner possible. This evening, we ask: What happens when these industries conspire?