A middle-aged man heading home talks a hitch-hiker into helping him regain his wife's affection. All the traveler has to do is come into the house and pretend to rob them, and the husband will disarm him and look the hero. The young man discovers after it's too late that he's been set up to commit a murder.
Newlyweds move into a house that recently saw a woman's murder for a still lost fortune, and the killer's escape. Slowly, through coincidences and ideas from a gossipy neighbor, the young bride begins to question her husband's identity.
Alaska prospector Jeff claims he didn't kill fellow gold hunter Arthur; he simply found the body. Fearing he'd be charged with the murder, he and his wife attempt a fast getaway, but are forced by a blizzard into the cabin of blind Tom. Tom has heard about the murder on the radio and goes to work pitting his visitors against each other.
Private Pushkin and his Sergeant volunteer to recon a ruined Italian castle because they see it as an opportunity to just loaf around. However, Pushkin is creeped out by the gloomy edifice - with good reason, as it turns out.
A Londoner, with his father, moves to a castle in Ireland to be near his fiancee. All three are tormented nightly by eerie wailing sounds coming from a cottage on the grounds. The woman is convinced that the noises are from Irish spirits upset that she's marrying a "foreigner." Enter professional "ghost finder" Dr. Carnacki who is sure he can shush the spirits.
A Londoner returns from a South Seas fortune-hunting expedition minus his son-in-law who suffered a tragic end. A nervous wreck, the man screams around the clock about "the third day" and a man named "Mungahra." Mungahra was the expedition's native guide who, before dying, placed a curse on the greedy, self-serving Englishman who treated him like a savage.
Monica is a lonely young girl who is schooled at home by her Uncle Stephen and his housekeeper. When Monica talks about her new playmates Mary and Elsie, her Uncle believes she is just imagining things. He grows more concerned when he himself begins to hear Monica's playmates throughout the house.
Jim is concerned about his timid, "plain Jane" wife Sarah. She's gotten to reclusive she doesn't want to leave their house, afraid to go anywhere or meet anyone. That's why he's shocked to find she's not at home when he returns from a work trip. Sarah is eventually found, all dolled up and dead in someone else's car.