 Attractive but treacherous Laura Douglas convinces her husband (a bank messenger) to steal $53,000 and flee the country with her. She also convinces a truck driver to assault her husband and take the money so that HE flee the country with her. Dan Mathews  suspicions are aroused by Ms. Douglas  lack of genuine concern for her unconscious husband and he launches an all-out effort to apprehend her. She deserts the truck driver and steals a car from yet another would-be romantic interest to try to elude the Highway Patrol s unrelenting pursuit.