Four divers embark on an unprecedented Mediterranean underwater expedition, spending 28 days at more than 100 meters underwater. This is the culmination of a long evolution in diving and provides an occasion to trace the history of scuba for the first time. The origins of diving date back thousands of years, and humankind has pushed back the boundaries to descend to the depths of the abyss.

Four divers embark on an unprecedented Mediterranean underwater expedition, spending 28 days at more than 100 meters underwater. This is the culmination of a long evolution in diving and provides an occasion to trace the history of scuba for the first time. The origins of diving date back thousands of years, and humankind has pushed back the boundaries to descend to the depths of the abyss.