Black Ice (1992)

Ben Shorr is a taxi driver full of debts and aspiring writer. One day, he drives the gorgeous Vanessa, who is the lover of the imminent senator Eric Weaver, home. Vanessa and Eric have a serious argument; they fight and she accidentally kills him. Vanessa is indeed an agent from the government, with a mission of get inside information and compromise the future senator with her agency. Quinn, a government killer working for the same agency, is in charge of eliminating her. Vanessa hires Ben, trying to go to Seattle and leave USA through her contacts in that area. However Quinn is hunting them down.