The first of three private-eye movies created by Robert Blake about rugged Joe Dancer as the forerunner to a prospective but unrealized series after the retirement of his "Baretta" character. In the initial outing, Blake, as Dancer, follows a trail of bodies through a maze of corruption involving a politically ambitious Beverly Hills family.
When Dr. Pieter Fales' patients start receiving ominous letters and getting murdered by an unknown black-clad assailant, he and his daughter both come under suspicion.
After witnessing a mysterious woman brutally slay a homemaker, prostitute Liz Blake finds herself trapped in a dangerous situation. While the police thinks she is the murderer, the real killer is intent on silencing her only witness.
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.
Secret agent Harry Hannan suffers a mental breakdown when a botched mission in Mexico results in the death of his wife. He is sent to a mental asylum, after which he eventually returns to work. But, once again, he begins to doubt his sanity when he receives a bizarre death threat written in Hebrew. Not knowing which of his colleagues wants to kill him, Hannan teams up with pretty young college student Ellie Fabian to attempt to unravel the mystery.
Sherlock Holmes is drawn into the case of Jack the Ripper, who is killing prostitutes in London's East End. Assisted by Dr. Watson, and using information provided by a renowned psychic, Robert Lees, Holmes finds that the murders may have their roots in a Royal indiscretion and that a cover-up is being managed by politicians at the highest level, all of whom happen to be Masons.
A group of potential heirs gather in a forbidding old house to learn which of them will inherit a fortune. Later, they learn that a flesh-rending maniac is loose.
When a millionaire playboy is murdered, suspicion falls on three married women, best friends, whom he had tried to play against each other in a game of divide and conquer.
As Hercule Poirot enjoys a luxurious cruise down the Nile, a newlywed heiress is found murdered on board and every elegant passenger becomes a prime suspect.
An average high school girl's life is turned upside down after she is attacked and savagely assaulted. When a mysterious person begins leaving her threatening messages and making unsettling phone calls, Gail realizes that the nightmare is only just beginning...
The death of Sir Charles Baskerville is blamed on a curse that has followed the Baskerville family for two hundred years. Sherlock Holmes is out to uncover the truth about a hound who roams the moors, waiting to attack the heir to the Baskerville estate.
At a Catholic boys' school, domineering disciplinarian Father Goddard rules over his pupils with an iron hand. When one of his teenage charges confesses to murder, the dogmatic but deeply repressed Goddard finds his faith challenged and his life spiralling dangerously out of control.
A government courier is caught in a deadly cover-up after discovering that his murdered sister was not only the mistress of a U.S. president, but also a Soviet spy.
When two young lovers are savagely beaten and tortured on a back country road in Texarkana, local police are baffled and must find "the Phantom Killer" before he can kill again.