On the beach one night, Christine Faber, two years a widow, thinks she hears her late husband Paul calling out of the surf...then meets a tall dark man, Alexis, who seems to know all about such things. After more ghostly manifestations, Christine and younger sister Janet become enmeshed in the eerie artifices of Alexis; but he in turn finds himself manipulated into deeper deviltry than he had in mind.
Kindly soup kitchen operator and professor of criminology Karl Wagner uses his soup kitchen as a front for a criminal gang who commit a series of daring robberies and murders. When things get out of hand, Wagner kills his henchmen, who wind up as zombies in the cellar of the soup kitchen.
Demonstrating that a little knowledge is a dangerous thing, a convicted strangler studies the paranormal and finds a way to render himself invisible. Once he escapes, he sets out to find and eliminate the five women who testified in his prosecution. A police lieutenant (Robert Foxworth) sets out to safeguard them, and bring the invisible killer to justice.
British Captain Terence Stevenson (Robert Donat) accepts an assignment even more dangerous than his everyday job of defusing unexploded bombs. Fluent in Romanian and German and having studied chemical engineering, he is parachuted into Romania to assume the identity of Captain Jan Tartu, a member of the fascist Iron Guard. He makes his way to Czechoslovakia to steal the formula of a new Nazi poison gas and sabotage the factory where it is being manufactured.
In this thriller, psychiatrist Dr. Cross (Vincent Price) kills his wife and expects to get away with murder, until he discovers that the slaying was observed by a next-door neighbor, Janet Stewart (Anabel Shaw). As Janet attempts to convince her husband (Frank Latimore) of the doctor's dastardly deed, Cross shows up to advise him that Janet is in dire need of some in-depth counseling.
Ray and Gilbert's fishing trip takes a terrifying turn when the hitchhiker they pick up turns out to be a sociopath on the run from the law. He's killed before, and he lets the two know that as soon as they're no longer useful, he'll kill again. The two friends plot an escape, but the hitchhiker's peculiar physical affliction, an eye that never closes even when he sleeps, makes it impossible for them to tell when they can make a break for it.
Bank teller Vince Grayson wakes from a nightmare in which he and an unknown woman murdered a man in a strange, mirrored room. Only a dream...but Vince finds that he has physical objects and bruises from his "dream." His cop brother-in-law dismisses his story...until the family, on a picnic, takes shelter from a thunderstorm in a deserted mansion containing that mirrored room.
When her husband John has a heart attack while out in a rowboat on the lake, Louise Haloran throws his body overboard and later tells the family that he has left on an urgent business trip. Her main concern is that she can only inherit a part of the family fortune if her husband is alive. The Halorans are a strange family, still grieving over the death of the youngest daughter Kathleen who drowned in a pond when she was just a child. They hold an annual ceremony of remembrance every year on the anniversary of her death. This year however, someone is wielding an ax intent on murder.