adrian "wildman" thuma is a sky drive instructor who takes people on jumps in australia. on january 12th, 2007, he's getting ready to head up again and joking from behind the camera with his next passenger scott. >> ready to go? >> i'm set. >> did you see my last one? >> no. >> good. >> good because it hadn't been perfect. that was when thuma got the first surprise of the day. his main parachute developed a tension knot in the lines. >> so the lines have slack in some stage. so they went through themselves and created a knot like this. >> you're always prepared for your main parachute to go wrong. about one every thousand jump that happens. >> thuma cut away the main parachute and used his reserve. >> i landed on the ground thinking i had my bad luck for the day. >> but the day isn't over yet. less than an hour after his first parachute problem, theuma and scott head to the drop zone at 14,000 feet. then they jump. it's captured on a video camera attached to his left hand. >> we fall perfectly. >> at 5,000 feet he releases the main parachute. for the second jump in a row, surprise. there's a problem. again, there are tension knots in his lines. he tries unsuccessfully to clear them. after fal