. >> kim brooks is one of the people clinging to life in that basket. she's a department of transportation intern. earlier that morning she arrived, excited to inspect her first big bridge. >> the bridge had been recently constructed, so we were checking for stress cracks. when we had to go underneath the bridge and over the water, some anxiety. >> but kim is out with a group of veterans. a senior bridge inspector and two contractors who helped build the bridge. none of them anticipate any danger. suddenly the engine on the mechanical arm gives out. >> there was a loud squealing sound and the next second, the wildest bungee jump you've ever been on. >> instantly one of the contractors is thrown into the river, and the other three are now teetering between life and death. >> i was afraid, but there's a natural instinct to survive. >> but there isn't much kim can do. she's lying helpless, along with colleague sam martin in the unstable bucket, trying their best not to move. kim is very concerned about sam. he has a medical condition, and she fears the tra