option. >> as soon as i seen the knots, that's when i knew we were in big trouble. >> the knots are on one side causing the parachute to go off kilter and keeping it from inflating properly. >> i was really trying with everything i could to fix the problem. >> theuma tries pulling on the brake lines to break the knots, but parachute enters a dangerous spin. the pair is hurdling toward the ground now less than 3,000 feet below. theuma pulls on the opposite brake line hoping to stop the parachute. that doesn't work either. >> i did everything i knew how to do and we're still spinning the other way. i had a moment of going, i think this is it. you know? >> theuma instructs scott who doesn't know anything has gone wrong with the reserve to hold the brake lines while he reaches higher up on the line to try to