Whodunit

Nightclub singer 'the Canary' blackmails acquaintances, ends up murdered. Only witness also killed. Detective Philo Vance investigates to uncover her killer among numerous suspects she had exploited.

When the body of a man nicknamed "Cock Robin" is found with an arrow in the heart on an archery range along with a chess bishop as a clue, Philo Vance investigates.

Rich, disdainful Greene family gathers yearly at creepy ancestral castle to discuss will. One by one, they meet untimely demises during current year's gathering under mysterious circumstances.

A ruthless, crooked stockbroker is murdered at his luxurious country estate, and detective Philo Vance just happens to be there. He decides to find out who killed him.

Philo Vance, accompanied by his prize-losing Scottish terrier, investigates the locked-room murder of a prominent and much-hated collector whose broken Chinese vase provides an important clue.

The Stamm family gives a small party prior to daughter Bernice's marriage to socialite Monty, but all of the guests seem to be against the match.

After socialite Lynn Llewellyn receives an anonymous threat, he is poisoned at his uncle's casino, and although he recovers, his wife is murdered by the same killer.

Two people with ties to rich murdered socialite Lowe Hammle die from unusual suicides but Vance suspects hypnosis and foul play.

The zany plot follows nitwit Gracie Allen trying to help master sleuth Philo Vance solve a murder. Allen's uncle fixes her up with Bill at a company picnic. When the two go out to a nightclub that night, Gracie inadvertently links Bill to the murder of a thug after finding the dead body and Bill's cigarette case at the scene of the crime. While being questioned at the club, she meets Vance who's investigating the homicide. After Gracie's bungled attempts to solve the case, Vance decides it might be easier to have her working with him. Despite Gracie's "help," the two eventually find the real killer.

Detective tries to figure out who killed a man who predicted his own death.

Inspector Steve Trent tracks the stolen Cortez emerald, last pilfered by a murdered gangster.

An actress is murdered in the midst of shooting a dance sequence for her latest picture, with Inspector Steve Trent on the case.

A pretty young music teacher is bludgeoned to death in Hildegarde's school, where she's reunited with Oscar, but the autopsy report says she was dying from poison too.

A schoolteacher and amateur sleuth suspects foul play when a fellow passenger on a sea-plane gets sick and dies.

After Hildegarde proves that the accidental riding death on a Central Park bridle path is really murder, she's faced with a plethora of red herrings and a real killer.

A priceless Cellini silver cup is stolen from a local museum with both Hildegarde and Oscar on the case.

While Oscar and Hildegarde are attending a Broadway show, a press agent is shot in an actress' dressing room and an actor is murdered onstage in full view of the audience. Oscar and Hildegarde are on the case.

When Charlie's old friend from Scotland Yard is murdered when they attend a police convention in New York, Chan picks up the case he was working on.

When Miss Jane Marple reports witnessing a murder through the window of a passing train, the police dismiss her as a dotty spinster when no trace of the crime can be found.

A detective must solve a case where a girl was murdered in a room--and all the doors and windows were locked from the inside.

Dishonest mine owner Nicholas Rood finds a Black Doll on his desk and knows that vengeance is about to overtake him for murdering his former partner. He is knifed as he talks to his daughter Marian. She summons her fiancé Nick Halstead, a private detective. He finds that six people had a motive for the murder: Rood's sister Mrs. Laura Leland; her son Rex; Rood's associates Mallison and Walling; Esteban, a servant; and Dr. Giddings. Sheriff Renick and his deputy Red get the clues all mixed up, but Nick finally narrows the search down to one suspect.

A detective investigates the disappearance of a girl's body from the city morgue.

A magnate, Kluck, is murdered in a radio office with cyanogen gas. The numerous suspects include Steenie, who is in love with Butts; her brother; a radio announcer and a janitor who learned the stiff was making love to his daughter.

In their third and last teaming, Bill Crane and Doc Williams visit a country estate to investigate threatening letters from the mysterious 'Eye.'

"Mystery of the White Room" is a 1939 movie that tells the tale of when in the middle of an eye-surgery operation in a large hospital, the lights in the operating room go out and the chief surgeon is murdered.