Vicious Circles

Tough narcotics detective 'Popeye' Doyle is in hot pursuit of a suave French drug dealer who may be the key to a huge heroin-smuggling operation.

Wes Block is a detective who's put on the case of a serial killer whose victims are young and pretty women. The murders are getting personal when the killer chooses victims who are acquaintances of Block. Even his daughters are threatened.

Suffering from insomnia, disturbed loner Travis Bickle takes a job as a New York City cabbie, haunting the streets nightly, growing increasingly detached from reality as he dreams of cleaning up the filthy city.

After her younger sister gets involved in drugs and is severely injured by contaminated heroin, a nurse sets out on a mission of vengeance and vigilante justice, killing drug dealers, pimps, and mobsters who cross her path.