Joe, a misanthropic sociopath prone to self-narration, tries to pull off an armed robbery but an off-duty cop shoots him in the leg in the process. However, he manages to kill the cop and take the money. He hijacks a buss and makes it to the office of doctor Vogel, a bitter cynical alcoholic whom he knows from before. Joe forces Vogel to operate on him and then to write him a prescription for some painkillers, since the pain in Joe's leg worsens and Vogel doesn't keep any painkillers in his office. In a fit of paranoia, Joe then kills Vogel fearing that he might try to report him to the police for the reward money. Joe visits the pharmacist but the young clerk tries to explain to him that the pharmacist is old and needs time to prepare his medication. That's when the police arrives but doesn't notice him. Joe finally gets his painkillers and goes home. His plan is to get to the airport and flee the country but the young clerk suddenly shows up at his place and Joe, in another fit of ...