In London, the Italian gym teacher Enrico 'Henry' Rosseni is having a love affair with his eighteen year-old student Elizabeth Seccles, who is the daughter of the owner of the Catholic School where he works and she studies. His estranged wife Herta Rosseni is the mathematics teacher in the same school. On Sunday afternoon, Rosseni and Elizabeth are in a boat in a grove and the girl glances at a knife and a man hunting down a woman. Rosseni believes she is giving a pretext to avoid him and does not pay attention to her. On the next morning, Rosseni learns that a teenager was murdered in the river bank in the grove and he drives to the location. Inspector Barth goes to the school since the victim Hilda studied there and soon Rosseni becomes the prime suspect since he protects Elizabeth, who could give an alibi to him. When a second student is murdered, Elizabeth recalls that the killer where a black soutane worn by priests. While the police investigate the suspects, Elizabeth is killed ... Written by Claudio Carvalho, Rio de Janeiro, Brazil

Both Scotland Yard and an amateur American sleuth are tracking a master criminal known as The Frog. This moniker refers to the bulging-eyed mask worn by the evildoer, and is reflected by the frog icons painfully tatooed onto the forearms of his henchmen. The trail leads to the country manor of an enigmatic, steely-eyed nabob, whose repressed son has eyes for the artistes at the Lolita cabaret, and whose lovely daughter captures the fancy of both the American playboy and the villain himself. Murder, kidnapping and seduction ensue. Written by GoblinHairedGuy

The sister of a famous, but as yet uncaught, criminal named The Hexer is murdered. Inspector Higgins of Scotland Yard believes that The Hexer will surface to take his revenge on his sister's killers, and plans to set a trap to finally capture him. However, soon bodies start piling up, and it looks as if The Hexer may get away yet again. Written by frankfob2@yahoo.com

Several employees on a nobleman's estate show up at a former abbey, reputed to be haunted, to search for a hidden treasure. Howver, a mysterious hooded figure begins killing off those who may have figured out where the treasure is hidden.