Voci dal profondo

After a relaxing anniversary cruise, Andrea and his wife Barbara are dropped off in Istanbul, Turkey. There, they meet Andrea’s reserved assistant Silvia and his Turkish colleague Omar, who hasn’t been back to his home country in fifteen years. Andrea’s secretary has arranged a luxurious seafront villa for them to stay in while they’re in the country. Upon arriving at the villa, Omar experiences an unsettling feeling of déjà vu, as though he has been in the house before, while the married couple can’t stop bickering. However, the vacation soon turns into a nightmare when mysterious and deadly events begin to unfold.

When New York is caught in the grip of a sadistic serial killer who preys on patrons of the city's underground bars, young rookie Steve Burns infiltrates the S&M subculture to try and lure him out of the shadows.

A tourist witnesses a murder and finds herself caught up in a series of bloody killings.

Three short tales of supernatural horror. In “The Telephone,” a woman is plagued by threatening phone calls. In "The Wurdalak,” a family is preyed upon by vampiric monsters. In “The Drop of Water,” a deceased medium wreaks havoc on the living.

A recent widow has invited a group of family friends to her large and secluded country home. However, what the guests don't know is that the reason they've been assembled is that their host suspects one of them might be her husband's killer and she's intent on uncovering the identity of his murderer. As the guests begin to suspect each other, revealing long-kept and sinister secrets in the process, an unknown, black-gloved killer begins bumping them off in a variety of nasty ways.

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...

Daniel, a writer seeking seclusion to work on his new book, finds himself stranded at a rural bed and breakfast run by a strange and prudish young woman and her ailing, wheelchair-bound husband who remains shut in his room all day. As night falls, a psychotic, razor-wielding killer begins stalking the bed and breakfast, brutally slashing the throats of its most sex-crazed guests, whose bodies and luggage then mysteriously disappear the following morning...

A mute woman, traumatized by her parents' death, faces new horrors when her cousin is murdered by a suspected killer. As danger looms, the truth proves far more complex.

A psychic finds herself tapping into the "energy" of a deceased phone operator. She also finds that her friends soon begin dying mysteriously. An investigator determines to track down the cause.

When socialite and heiress Julie Wardh begins receiving blackmail letters attributed to a mysterious serial killer, she suspects her cruel and sadistic former lover Jean is behind them. With her husband Neil frequently out of town, she falls into the arms of her friend's cousin George, and as the unknown assassin begins to make his move, she fears that one of the three men in her life may be the killer.

There are a number of inheritors to a fortune who are getting killed by a mysterious somebody whom we do not see. Each death is novel, but not terribly graphic. Who did it?