A film projectionist longs to be a detective, and puts his meagre skills to work when he is framed by a rival for stealing his girlfriend's father's pocketwatch.

Miss Marple believes she's seen a murder in a passing-by train, yet when the police find no evidence she decides to investigate it on her own.

Miss Marple and Mr. Stringer are witnesses to the death by heart attack of elderly, rich Mr. Enderby. Yet they have their doubts about what happened. The police don't believe them, thus leading Miss Marple to yet again investigate by herself.

A murderer is brought to court and only Miss Marple is unconvinced of his innocence. Once again she begins her own investigation.

During an annual board of trustees meeting, one of the trustees dies. Miss Marple thinks he’s been poisoned after finding a chemical on him. She sets off to investigate at the ship where he had just come from. The fourth and final film from the Miss Marple series starring Margaret Rutherford as the quirky amateur detective.

As the devoutly single Don Johnston is dumped by his latest girlfriend, he receives an anonymous pink letter informing him that he has a son who may be looking for him.

Friends Franzi, Marieave and Kim planned to spend the summer rehearsing for a Peter Pan play, but when strange things start to happen at the theatre they take on the role of investigators.

Henkka Virtanen finds evidence of a possible crime on his way to school. With his friend J.K. Kivimutka, the boys decide to investigate what has happened, because these criminal cases are the responsibility of the detective agency they have set up. When it turns out that mailboxes in the area have disappeared during the night, the detective bureau has already two crimes to solve. A fun and exciting adventure begins, in which the boys also have to face their own fears.

Ronnie Jackson is a lowly baby photographer who secretly fantasizes about being a private detective. When a lovely baroness actually mistakes him for one and asks him to help locate her missing husband, Baron Montay, Ronnie finds himself agreeing. Several days later he is on death row whiling away the hours until his execution by recounting to a group of reporters the bizarre tale of how he ended up there.

A struggling private detective is drawn towards a mystery around unidentified dead bodies turning up near railway tracks, and soon the case becomes significant both at the professional and personal levels.

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.

A fiction writer begins working on a biography of a pilot who went down during the test flight of a new plane and finds himself soon involved in a series of murders.

When the Mystery Inc. gang is invited to Spooky Island, a popular amusement park, they soon discover that the attractions aren't the only things that are spooky. Strange things are happening, and it's up to Scooby, Shaggy, Fred, Daphne, and Velma to uncover the truth behind the mysterious happenings.

An elevator operator and a janitor team up to solve two murders that may be connected to an illegal gambling operation. Monogram.

During the summer vacations, the three friends are about to take a trip together to Romania, where they are allowed to complete an internship on the film set of "Dracula Rises", arranged for them by Peter's father, who is responsible for the special effects during the filming. No sooner do they arrive in Transylvania than mysterious events begin to pile up at Countess Codrina's old castle, which serves as the original setting for the film. The three detectives want to find out what all this may have to do with a boy who has been missing for over 50 years, a mysterious brotherhood and an enigmatic undead. Soon, not only the filming and Peter's relationship with his father are at stake, but also the friendship of the three investigators.

Bo is a transexual prostitute in Brussels who left home after being abused by her father. She's infuatuated with a neighbor and suspected by the police in a series of transexual murders. In order to clear herself she must turn detective.

The patriarch of a bickering family announces his retirement, stirring competition about who will succeed him as a leading practitioner of Noh theater, his granddaughter or grandson.

A wealthy student with too much fashion sense, her equally rich friends, and her rival/superior from the school paper work together to solve the case when their teacher goes missing.

Thybald asks Émile, a peculiar detective, to find Claire, his missing girlfriend, allegedly kidnapped. In the course of his investigation, Émile finds something more.

Subrata Sharma is a reporter who leaves his job and joins a small time detective agency, Danny Detective Inc. in Kolkata. Working on a kidnapping case, his boss, Danny, is killed. Circumstances force Subrata to take up the case. He travels to the Dooars, south of the outer foothills of the Himalayas, to unravel a big time criminal underworld. He takes up the responsibility of the agency. How will he succeed in catching the killer?