Paul Steppe, a watch repairman, suspects his wife is cheating on him while he tends to his store every afternoon. Consumed with jealousy, he devises a time bomb set to go off at four o' clock - the same time her "lover" pays his daily visit. One day, when his wife is at the market, he sneaks into the house to plant the device. There, Paul is surprised by two burglars, who tie him up and gag him - leaving him at the mercy of his own device ticking away.
A young woman, troubled by a recurring dream about a long, dark hallway with a ominous curtain at the end, consults a psychiatrist. The sessions cause the woman to have suspicions about the death of her husband's first wife.
A man suffering from a severe heart condition is mistakenly told that he has been cured. To celebrate, he indulges in all the activities that had been denied him, not realizing that the strain could kill him.
A salesman seeks refuge from a blizzard in an old mansion. He meets three elderly men who convince him to participate in a mock-trial so they can practice their former callings of judge, prosecuting attorney and defense council.
After spending the weekend with her daughter, Mrs. Ellis takes her child to the bus depot. When she returns home, she finds her furniture rearranged and three strangers insisting that they own the house.