A gigantic flood inundates the world and destroys all life on earth. Only Noah and the creatures on his ark will be saved from total extermination - so the Bible says. The Flood is the greatest catastrophe that has ever been described and at the same time one of the greatest mysteries of mankind. Did the flood really exist? And what caused it? Researchers around the world are looking for evidence of the biggest flood of all time. They want to solve the riddle in ancient scripts and with the help of the most modern technology. How devastating was the flood? In which region of the world did it take place? And what is really behind the "myth of the flood"?