A Kiwi athlete who puts his body on the line every time he goes out, Ben Brown is one of the best in the world at his sport.
Brown is a white-water kayaker who launches himself down towering waterfalls.
The problem is, sometimes it can go horribly wrong, and on one recent occasion it did.
Samantha Hayes was with Brown as he tried to make a comeback, risking life and limb once more.
Watch the video for her full report.