Celebrities raise funds for charity by participating in a training session meant to replicate the British Army Special Air Service selection; The celebrity recruits must jump out of a helicopter before battling their fears in two-on-one boxing.

Ant Middleton, the chief instructor, and his directing team put the celebrities through a series of tests. During the challenges, one recruiter collapses on the mountain and the other struggles from the severe weather.

The celebrities are partnered up to prove that they are team players, and they must put their lives in the hands of each other in a scary free fall drop.

A military hunting team follow the recruits across the Chilean countryside. One recruit collapses, while another's spot on the course is threatened by a terrible judgement.

Renowned celebrities raise money for charity by participating in challenging training sessions. A last, brutal task awaits the remaining recruits in the El Morado glacier, 3000 metres above sea level.

Over the next 48 hours the remaining 6 celebrity recruits begin the interrogation phase. Only the physically and mentally elite will make it to the end.