This documentary follows the scientific journey of 4 French hunters who travelled Tornado Alley for a month between the 8th of May and June 6th, 2015. Their aim was not only to chase tornadoes, but, first and foremost, to meet the scientists and the many people who, in the heart of America, are trying to predict these events and protect the population from the force and suddenness of the most violent weather phenomenon on the planet.
A genuine tornado hunt, it enables the team to bring back the most incredible pictures for scientific analysis, in order to find out how to predict tornados, and protect and warn people of their imminence.