Five young British men take on the challenge of a lifetime - to spend four months travelling the world, taking on some of the most deadly creatures and hostile places on the planet.

After the pain of the Amazonian jungle and the arid heat of the Namibian bush, they have come to paradise - the Bahamas. Unfortunately for them their challenge lies underwater, in the shape of sharks. Top shark expert Jeremiah Sullivan has taken on the task of turning the five rookies into shark wranglers in just six days. Jeremiah has been diving with sharks for 35 years, was the first man to be photographed holding the dorsal fin of a Great White, and as a day job he tests chainmail shark suits by getting bitten.

To impress Jeremiah the boys have their work cut out. They must prove they can swim strongly enough to deal with the attentions of a two-metre reef shark; show they can handle the mental pressure of a shark feeding frenzy; and finally handle sharks directly, attempting to put one of these deadly creatures into a hypnotic state where it can be cradled like a baby.

Climber Reuben is not sure he is prepared to risk losing a limb, while Easton's form as a swimmer is pretty weak. Even top watersports athlete Ross has a tendency to get seasick when the water is not in a swimming pool. Show less