Hangup (1974)

Veteran cop Nick Pulovski is used to playing musical partners; many of the partners he's had in the past have died on the job, and often as a result of Nick's risky tactics. But the rookie who's been assigned to help Nick bust a carjacking ring is almost as hotheaded as he is … and when Nick gets kidnapped, his newbie partner is his only hope.

On his first day on the job as a narcotics officer, a rookie cop works with a rogue detective who isn't what he appears.

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.

A voluptuous black woman takes a job as a high-class prostitute in order to get revenge on the mobsters who murdered her boyfriend.

In New York, racist Capt. Stanley White becomes obsessed with destroying a Chinese-American drug ring run by Joey Tai, an up-and-coming young gangster as ambitious as he is ruthless. While pursuing an unauthorized investigation, White grows increasingly willing to violate police protocol, resorting to progressively violent measures -- even as his concerned wife, Connie, and his superiors beg him to consider the consequences of his actions.

Raised in Harlem, Tommy Gibbs becomes a successful mob boss but he clashes with the rival Mafia and his old enemy, dirty cop McKinney.

Jack Caine is a Houston vice cop who's forgotten the rule book. His self-appointed mission is to stop the drugs trade and the number one supplier Victor Manning. While involved in an undercover operation to entrap Victor Manning, his partner is killed, and a sinister newcomer enters the scene...

Drug lord Dwayne Gittens rules Cincinnati with an iron fist. No wonder he's known as "God" on the streets. Determined to break Gittens' stranglehold on the city is undercover cop Jeffrey Cole. But as Cole takes on an assumed identity to penetrate Gittens' criminal empire, he makes a disturbing discovery -- he kind of likes being a gangster.

College student Jake Lo is pursued by smugglers, mobsters and crooked federal agents after he witnesses a murder by a Mafia kingpin.

An idealistic rookie cop joins the LAPD to make ends meet while finishing law school, and is indoctrinated by a seasoned veteran. As time goes on, he loses his ambitions and family as police work becomes his entire life.