Chris Lemons is professional diver from Scotland. His job : maintenance of underwater gas and oil pipelines and platforms. A hazardous occupation, what with the dangers of decompression and the risks of drowning. In 2012, Chris is with his team in a hyperbaric chamber that would be their home for the next few weeks on board a huge ship : four teams of three divers will take turns on this mission, and Chris is delighted to be reunited with colleagues who have an excellent reputation...

Sergey Ananov is a seasoned adventurer. But nothing could have prepared him for what he endured in the summer of 2015. On July 25th of that year, he boards his helicopter alone, heading for Greenland. It is day 42 of his round-the-world helicopter trip. The Russian wants to become the first person to circle the globe in a helicopter weighing less than a ton. He does not have many miles left to go. Halfway through his 6-hour flight, flying over the icy Canadian Arctic, his helicopter has a technical problem while crossing a thick fog. Sergey is forced to attempt an emergency landing...

On August 29th, 2005, Hurricane Katrina hit Louisiana, Mississippi and Alabama. It was one of the most powerful hurricanes in the history of the United States, a category 5, the highest on the Saffir-Simpson scale. Such intensity caused extensive property damage and cost over 1,800 people their lives. Some of the remaining residents of New Orleans managed to escape. One astonishing case is undoubtedly that of Gerald Martin, 76 years old, found alive 18 days after the the hurricane’s passage.