Cruising (1980)

Seen-it-all New York detective Frank Keller is unsettled - he has done twenty years on the force and could retire, and he hasn't come to terms with his wife leaving him for a colleague. Joining up with an officer from another part of town to investigate a series of murders linked by the lonely hearts columns he finds he is getting seriously and possibly dangerously involved with Helen, one of the main suspects.

Julian makes a lucrative living as an escort to older women in the Los Angeles area. He begins a relationship with Michelle, a local politician's wife, without expecting any pay. One of his clients is murdered and Detective Sunday begins pumping him for details on his different clients, something he is reluctant to do considering the nature of his work. Julian begins to suspect he's being framed. Meanwhile Michelle begins to fall in love with him.

A small, seemingly innocuous plastic reel of film leads surveillance specialist Tom Welles down an increasingly dark and frightening path. With the help of the streetwise Max, he relentlessly follows a bizarre trail of evidence to determine the fate of a complete stranger. As his work turns into obsession, he drifts farther and farther away from his wife, family and simple life as a small-town PI.

Catherine, a novelist with an insatiable sexual appetite, becomes a prime suspect when her boyfriend is brutally murdered -- a crime she had described in her latest story.

A tough cop is dispatched to take down a serial killer who has been targeting police officers.

A struggling writer in the midst of a divorce befriends a retired serial killer who incidentally becomes his marriage counselor by day, and killing counselor for his next book by night.

After Dr. Bill Harford's wife, Alice, admits to having sexual fantasies about a man she met, Bill becomes obsessed with having a sexual encounter. He discovers an underground sexual group and attends one of their meetings -- and quickly discovers that he is in over his head.

Two veteran New York City detectives work to identify the possible connection between a recent murder and a case they believe they solved years ago; is there a serial killer on the loose, and did they perhaps put the wrong person behind bars?

A New York detective investigates a series of murders committed by random citizens who claim that 'God told them to'.

Nothing is what it seems when a twisted one-night stand spirals into a serial killer’s vicious murder spree.