Best Mystery Movies of 1950

Frank Bigelow is about to die, and he knows it. The accountant has been poisoned and has only 24 hours before the lethal concoction kills him. Determined to find out who his murderer is, Frank, with the help of his assistant and girlfriend, Paula, begins to trace back over his last steps. As he frantically tries to unravel the mystery behind his own impending demise, his sleuthing leads him to a group of crooked businessmen and another murder.

Vicky Barton and her brother, Johnny, take a trip to the 1896 Paris Exhibition. They both sleep in seperate rooms in a hotel. When the sister gets up the next morning, she finds her brother and his room had disappeared and no one will even acknowledge that he was ever there. Now Vicky must find out what exactly happened to her brother.

A veteran homicide detective who has witnessed his socialite girlfriend kill her husband sees his inexperienced brother assigned to the case.

Danny Haley's bookie operation is shut down, so he and his pals need money; when Danny meets Arthur Winant, a sucker from out of town, he decoys him into a series of poker games where eventually Winant loses $5000 that isn't his... then hangs himself. But it seems Winant had a shadowy, protective elder brother who believes in personal revenge.

When he's discharged from a military hospital, ex-GI Bob Corey goes on a search for his army buddy Steve Connolly. A reformed crook, Connolly is on the lam from a trumped-up murder rap, and Corey hopes to clear his pal. Tagging along is Army nurse Julie Benson, who has fallen for Corey.

Harriet O'Malley tries to solve a murder aboard a train en route to New York.

After leaving the British Secret Service, David Somers (played by Trevor Howard) finds work cataloging butterflies at the country house of Nicholas and Jess Fenton. After the murder of a local gamekeeper, suspicion (wrongfully) falls on their niece, Sophie Malraux (Jean Simmons). Somers helps Sophie to escape arrest and they go on the run together. After a cross-country chase they arrive at a coastal city with the intention of leaving the country by ship. All's well that ends well after the true identity of the murderer is revealed.

After her father is murdered, a girl joins the police force in an effort to track down the killers.

Deborah Chandler's rejected suitor, Selden Clark, manages the factory of her father, who dies a suspicion death. But charming Clark manages to win her over and marry her. On the honeymoon, Clark's former girl Patricia intervenes and opens Deborah's eyes, alas too late. Now Clark tries to kill Deborah. Believed dead by all but Clark, she flees. But drifter Keith Ramsey recognizes and follows her. Can she trust him? Can he believe her?