Holmes, retired to Sussex, is drawn into a last case when his arch enemy Moriarty arranges with an American gang to kill one John Douglas, a country gentleman with a mysterious past. Holmes' methods baffle Watson and Lestrade, but his results astonish them. In a long flashback, the victim's wife tells the story of the sinister Vermissa Valley.
Hard-boiled newspaper reporter Larry Doyle (Robert Armstrong) goes a bit too far in celebrating a work bonus and wakes up on a train bound for St. Louis with only a buck on his person. To remedy the problem, Doyle pawns the revolver he's carrying. When the gun is subsequently used in a murder, Doyle's problems only multiply. In the meantime, he's also fallen in love with a comely stranger (Maxine Doyle) he convinced to impersonate his wife.
Gangster Chandler and his accomplice Tracy arrive at a dude ranch. Cowboy Kentucky arrives at the same time. When Tracy double-crosses his boss and has the stage robbed, Kentucky finds the outlaws and brings them in. Tracy frames him for the murder of the driver but his pal Cactus gets him out of jail. He returns just as Chandler shoots Tracy and Kentucky finds himself arrested for another murder.
Jury foreman Edward Weldon's questioning leads to the death sentence for Ethel Saxon. His daughter Stella claims to have killed her lover, the gangster Garboni, just as Saxon was to sit in the electric chair.
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.
A handsome radio singer has it all--fame, money, adoring fans--but what no one knows is that his accompanist, a hunchbacked piano player, is actually the voice behind the arrogant, abusive "singer"'s fame. The two men fall for the same girl, and when the singer turns up dead, suspicion falls upon his assistant and the girl.
Four survivors of a ship wreck are stranded on a deserted island, including a woman and the man she believes is responsible for the murder which her brother is in prison for.
The Wrecker wrecks trains on the L & R Railroad. One of his victims is Larry Baker's father. Baker wants to find the evildoer, among a host of suspects, but it will be difficult since the Wrecker can disguise himself to look like almost anyone
Prizefighter Jimmy Nolan, facing an opportunity to get a championship fight, is knocked out when he sustains what is apparently a permanent injury to his arm. From there, Nolan's path leads downhill. He is drawn into a romance with a nightclub entertainer, then is framed on a theft charge by a jealous suitor. After his prison term, Nolan makes a spectacular comeback in a fight which proves his courage and integrity, while disproving the fallacy about the old sports adage that "they never come back."
Two former WWI aces from opposite sides, Bill Ramsey and Otto Shumann, in the best tradition of Eddie Rickenbacker and the Red Baron, barnstorm their way across the Poverty Row skies of middle-America while competing for daredevil honors and the favors of the lovely Eve.
Hildy Johnson is an investigative reporter looking for a bigger paycheck. When an accused murderer escapes from custody, Hildy sees an opportunity for the story of a lifetime. But when he finds the criminal, he learns that the man may not be guilty. With the help of his editor, Hildy attempts to hide the convict, uncover the conspiracy and write the scoop of his career.
Sue Graham is a small town girl who wants to be a motion picture star. She wins a contract when a picture of a very pretty girl is sent to a studio instead of her picture. When she arrives in Hollywood, the mistake is discovered and she starts working in the props department of the studio instead. Her parents then come out to California and invest some money with a very shifty individual.
Francis, a young man, recalls in his memory the horrible experiences he and his fiancée Jane recently went through. Francis and his friend Alan visit The Cabinet of Dr. Caligari, an exhibit where the mysterious doctor shows the somnambulist Cesare, and awakens him for some moments from his death-like sleep.