Germany, 1937. The Hindenburg airship is the largest in the world and while the pride of Nazi Germany. This aircraft just amazing embarks on a journey to New York. It proved that the airship has a significant flaw: the embargo of sale of helium imposed by the United States against Germany, the machine is filled with flammable hydrogen. According to Marten Kröger, an engineer who participated in the construction Hidenburgului, this device is a piece of dynamite waiting just a single spark.