On the Edge follows former Marine, Joe Malone, and his team of adventure racers through the canyons and deserts of West Texas as they participate in a grueling three day adventure race. After Joe finds a client of his fitness bootcamp murdered, then three days later another is run down, Joe realizes that someone is killing his clients and he's one of the only people in a position to find out who. When an upcoming adventure race leaves the rest of his clients exposed to more danger he is forced to face his biggest fears and travel to West Texas to compete with them.
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