Watch The Devil at Your Heels for Free: How to Stream the Movie Online at 123Movies. . Devil at Your Heels, traces the trials of stuntman Ken Carter who attempts a death-defying aerial jump in a car. Not content with a normal jump, Ken Carter attempts a jump from Canada to the USA. This feature-length documentary shines a light on the intense preparation that led to Carter’s first attempt to jump a car across a mile-wide stretch of the St. Lawrence River – a 5-year period during which the dare-devil raised a million dollars, erected a 10-storey take-off ramp and built a rocket-powered car. Winner of the Canadian Screen Award for Best Feature Length Documentary at the 4th Genie Awards in 1983.