When a mentor and friend of Jennifer's dies, she and Jonathan return to the sleepy town where Jennifer once lived and worked as a reporter. Nearly immediately, they discover that all is not right within this picturesque town. The town's economic troubles pale next to the danger the Harts find themselves in as they try to sort out whether their friend's death was murder, and what sinister secrets may lie behind the truth.
On a mission of mercy, Jennifer Hart is in Germany to donate bone marrow to Maximilian, a young leukemia patient. Following the operation, she plans to spend a romantic anniversary in Munich with her husband Jonathan. The bone marrow clinic's director, Peter Donner, is surprised by Jennifer's uncanny resemblance to his French fiancée, Simone Grohe. When she goes missing, Jennifer steps in to play the role of Simone to save Peter the embarrassment of an explanation to his cousin and benefactor Karl von Ostenberg at the lavish engagement party. But, of course, it is Karl who kidnapped Simone - in order to control the fate of Peter's inheritance - and now Jennifer is in as much danger as Simone! Once again the Harts tackle danger and mystery with their usual devil-may-care charm and romance
While making his nightly rounds in the neighborhood, Patti's pet cat D.C. finds himself the carrier of a call for help from a kidnap victim. Patti enlists skeptical law enforcement help to find the victim before it's too late.
Set in an apartment building where many people are rumored to disappear one after another, the story begins when Maruko, a young delivery worker, accidentally discovers the secret of a suspicious resident. He and his older colleague Arakawa, who is an aspiring novelist, try to discover the resident's true identity. But in the end, the two got into an unexpected big incident.
Private detectives Inés, Eva, and Carmen often invade others' privacy but are clueless about confronting their own secrets. While on the job, these three surveillance specialists will have to cross the thin line dividing public and private matters, bringing their own issues to light in order to solve more than just their professional cases.
Yuzuru Hamura is a university student and a fan of mystery novels. Against his will, he was forced to join the school's mystery club. The club is led by Kyosuke Akechi. Meanwhile, Hiruko Kenzaki appears in front of them. She attends the same university and she is also a private detective. These 3 people attend a summer camp and stay at Shijinso pension in the mountains. On their first day there, they must barricade themselves in the pension. The next morning, they discover a murder has taken place in the pension.
An amateur sleuth suspects foul play when a fellow passenger on a seaplane suddenly dies. The third and final film with Edna May Oliver and James Gleason as the astute schoolteacher Hildegarde Withers and the New York Police Inspector Oscar Piper busy solving crimes.
A high-society gent has a secret life - he writes murder mysteries and hangs out with the police attempting to solve crimes. This causes him no end of problems when his wife wants to know about his little disappearances and exceptionally late nights out.
In this erotic spy tale private eye Cody Abilene teams up with the Contessa Luciana and policewoman Beverly McAfee to infiltrate a mansion and discover who is sending computer secrets to the Russians.
A woman rents a gloomy basement apartment in Greenwich Village thinking it will provide the perfect atmosphere for her mystery writer husband to create his next book. They soon find themselves in the middle of a real-life mystery when a corpse turns up in their apartment.
The intrepid reporter and amateur sleuth Joseph Rouletabille becomes involved in the investigation of a hideous crime committed in a room painted yellow, whose door was locked from the inside…
A priceless Cellini silver cup is stolen from a local museum with both Hildegarde and Oscar on the case.
An ex-schoolteacher is asked by the police to help locate a missing heiress.
Mystery writer Barry Craig (Allyn Joslyn) and his wife Jane (Evelyn Keyes), prefer solving crimes rather than writing about them. They get a chance when killings plague the fashion photography studio of Ralph McCormick (Edmund Lowe). After his secretary, Julie Taylor(Anita Louise) reports an attempt to murder her there, Erika McCormick's (Ann Savage) Aunt Isabel Fleming (Mary Forbes) is stabbed and the evidence points to Madge Lawrence (Bess Flowers) an older model and an apparent suicide. Police Inspector Joseph Clinton (Frank Craven) declares the case closed...but then Erika is murdered.
When the body of Violet Feverel is discovered on the Central Park bridle path, Inspector Oscar Piper presumes her death was accidental, until his friend, amateur detective Hildegarde Withers, locates Violet’s horse and discovers it is streaked with blood.
Travelling on the 4.50 from Paddington, Mrs McGillicuddy witnesses a murder on a passing train - but where is the body?
New York schoolmarm Hildegarde Withers assists a detective when a body of unscrupulous stockbroker Gerald Parker suddenly appears in the penguin tank at the aquarium.
An introverted man receives an anonymous letter from an ex-lover informing him that he has a son who may be looking for him. A freelance sleuth neighbor motivates the man to embark on a cross-country search for his past flames, seeking answers.
A film projectionist longs to be a detective, and puts his meager skills to work when he is framed by a rival for stealing his girlfriend's father's pocketwatch.
Set in San Francisco, Jonathan and Jennifer Hart are faced with the prospect of being reunited with Jonathan's long lost sister, and her nephew. Is it possible that Jonathan will finally discover a key to his past or will the "family" turn out to be after something, putting Jonathan and Jennifer in danger's past one more time?