At a college campus, two young girls are killed while strolling through a nearby forest. Suspicion falls on a chemistry professor and an intense and brooding music professor named Edwin Volck. Harold, a psychology professor, convinces his fiancee Daphne to act as bait to help trap the killer. The trap succeeds and Volck is revealed as the killer. Harold, however, becomes worried. He believes that the killers bloodlust may have inspired other less obvious psychos on campus. Daphne realizes that Harold has been speculating about himself when he suddenly attacks her. She is rescued by the chemistry professor. The chemistry professor had been watching Harold's behavior since the beginning believing that he was a possible psychopath.

Jim Mallory is a forest ranger who along with his wife Linda, have adopted a girl named Anne. The couple have never told Anne that her parents died in a bizarre murder-suicide for fear that the news might disturb her. A blackmailer contacts Jim and demands money. He says that he will tell Anne the secret of her past if Jim doesn't pay up. Jim agrees to pay, but informs the police. The blackmailers figure out that something is up and change the site of the money drop. Later the blackmailers get into an argument and one of them is killed. When the police find the body, they suspect Jim Mallory. Jim manages to catch the blackmailer to clear his name, but he doesn't get to him in time to stop her from telling Anne the secret about her parents. Anne is troubled by the news, but manages to take it in stride. She tells the Mallorys that she loves them and has always considered them her real parents.

There are five witnesses for a hit-and-run accident at an intersection who all say the car did not stop at the stop sign, but are they all wrong?

Warren Barrow writes mystery novels under a pseudonymn. He sends his publisher a series of tape recordings that appear to detail either the plot of his next mystery novel or the plan for a murder he is actually going to commit. Using his own name on the tapes, Barrow describes how he renewed a friendship with a very attractive girl named Janet West. Janey, however, is married and wants someone to kill her wealthy husband. Blinded by passion, Barrow agrees to commit murder. At the last minute, however, he gets cold feet and later, out of guilt, decides to kill Janet. The tape ends, however. The publisher and another writer, Tom Keller, become convinced that Barrow is planning murder. The publisher calls the police while Keller heads for Janet's apartment. At the apartment, Keller discovers Janet dead and Barrow holding the murder weapon. Barrow is taken to the police station where he provides an ending to his novel and a complete confession, all on tape.

Sister Pamela suffers a crisis of conscience just as she is about to take her final vows. Is her belief real or is she just hiding from the rest of the world? The sisters in the convent give her time to think everything over by letting her pick up a valuable statue from a reformed gangster. As she is returning, however, the statue is stolen by a young criminal named Jimmy Bresson. In order to get the statue back she leaves the convent and hunts Jimmy down. She arranges to have a date with him to get into his apartment. Unfortunately, she discovers that he has pawned the statue. She takes the pawn ticket and heads for the pawn shop. As she is about to get it back, Jimmy catches her. Jimmy and the dishonest pawn shop owner want to kill Pamela, but they want to have the statue appraised first. They call an appraiser, but it turns out to be the man who originally offered the statue to the convent. He tells them that the statue is worthless and convinces them to let Pamela go. Having confr

David Kelsey, a research chemist, is in love with Annabel. He assumes another identity so that they can share their moments together in complete privacy. He even builds a beautiful dream home for the two of them. David is hopelessly infatuated with her. Unfortunately, Annabel wants no part of him. She's married and both she and her husband wonder when David will get the hint. He does not and eventually murders the couple. He installs her corpse in the bedroom of their dreamhouse so that she can be by his side for the rest of his life.

Out of gratitude for saving their young son from drowning, a couple takes in and financially backs a charming veteran, only to find their hospitality exploited.

Phil Townsend suffers amnesia after he is mugged outside his drug store. All he remembers is that he is about to get married. A taxi driver takes him to his fiancée's house, but he discovers that she is already married and has been married for three years. Later, Townsend discovers that he has been living under the name David Webber for three years. He discovers that Webber was once the bodyguard of a rich criminal attorney and is suspected of murdering the attorney's wife. Townsend eventually manages to clear his name. Later, he checks into a hospital for treatment.

Paul Sampson murders his wife Caroline and is relieved when the police rule her death and accident. His conscience gets the best of him, however, and he decides to confess the murder to his family and friends. Unfortunately, no one believes him. They think the stress of his wife's death has gotten to him. Later he tells another friend, who also happens to be a judge. The judge, however, knew all along. He was Caroline's lover. Knowing that Paul's conscience is killing him, the judge chooses to remain silent. When Paul continues in his attempts to confess, he is eventually committed by his family to a mental hospital.