The Challenge

When a young female student is savagely killed in a park during a thunderstorm, the culprit seems obvious: TV sports personality Alessandro Marchi, seen fleeing the scene of the crime by numerous eyewitnesses. The evidence against him is damning... but is it all too convenient? And when the killer strikes again while Marchi is in custody, it quickly becomes apparent that there's more to the case than meets the eye...

A woman communicates with a houseplant that was the only witness to a recent murder.

A sociology instructor finds her new teaching duties at a private college interrupted by the presence of a killer.

Betty has a crush on her tennis instructor Mike. He promises to call her for a date, but never does – she doesn’t know he sells drugs on the side. After botching a deal on someone else’s turf, Mike has to disappear for a while. He contacts Betty – then he’s killed before they can meet. Betty tries to find out what happened, leading her straight into a hornet's nest of vice.

Several murders have taken place in London. All the victims are prostitutes and the murderer is using the same techniques as Jack the Ripper. Peter Dockerman, an ex-acrobat and husband of one of the victims is the prime suspect. But whoever the killer is has cannibalistic tendencies and if Scotland Yard doesn't solve the murders quickly the evidence just might be eaten!

After Lord Archibald Marion is brutally murdered by an unknown assailant, his bitter and feuding family members gather for a reading of the will, setting into motion an increasingly chilling series of deaths when their arrival is marked by a second grisly killing.

The owner of a coal mining operation, falsely imprisoned for fratricide, takes a drug to make him invisible, despite its side effect: gradual madness.

A twist on the Murder Mystery Cluedo, which centers around Miss Scarlett and her close friends at her stepfather Sam's birthday gathering. As the game begins Sam collapses and it is assumed that this was part of the game. However, as a mysterious inspector no one recognizes starts questioning the guests they all soon discover that the death was real and they are now all in danger.

Anne is convinced she has found her husband's corpse, but Dr. Mark can only find out that the man has gone home. When he comes back, his wife does not trust Mark, who believes she suffers from schizophrenia.

In the midst of Nazi air raids, a postman dies on the operating table at a rural hospital. But was the death accidental?

When various trustees of the Van Traylen Orphanage begin dying in close order, it's at first written off as a coincidence. But, when a school bus accident very nearly takes out three more of them along with a group of orphans, Col. Bingham and his pathologist friend, Mark, begin looking into the deaths. They come to think the answer lies with one of the girls on the bus, who has vivid memories of things she could not possibly have seen.