A police detective uses fluorescent powder to catch a pickpocket and her gang.

This MGM Crime Does Not Pay series short shows the role the crime laboratory plays in the solving of cases, and how even the smallest detail can become a major clue.

In this MGM Crime Does Not Pay series short, police go after a fraud operation that stages automobile accidents to collect insurance money.

Two sisters are arrested for skinny-dipping on their way to Los Angeles and are sentenced to labor work on a farm.

A crooked police detective masterminds a robbery then fights to keep the stolen money.

A beautician and her crooked boyfriend attempt to rob the bookie operation located in the back room, but when the plan goes wrong, they frame an innocent man.

In 19th century England, a noted brain surgeon rescues a former student from being hanged on a false conviction for murder, and spirits him away to an ancient, repurposed abbey far in the countryside. There, he connives his pupil into assisting him in mapping the functions of the various parts of the human brain, using living subjects who are under a terrible animation-suspending drug called "black sleep". Subsequently, the student, along with the daughter of one of the subjects, discover that most of these subjects have survived but are being kept in a dungeon-like cellar, in various stages of physical and mental derangement...

When young Danny Lambert runs away from camp in south-central Colorado, he becomes the object of a park-wide-search by his wealthy father Robertson Lambert. He is found by Jerry Barker and told to wait at an abandoned look-out tower while he goes for help. Instead, Barker calls the father and demands $200,000 ransom. The money is delivered and Barker buries most of it. Meanwhile, the panicky boy has fallen from the tower to his death, and Barker drops the body off a cliff. The FBI, led by James Madden, capture Barker but can't convict him of kidnapping and he is given only five years for extortion and sent to Casabel Island Prison. There he is assigned a cell with Rollo Lambar, Alamo Smith, Benny Kelly and Machine Gun Mason. The FBI have now traced an affiliation between Barker and Emily Evans, a nurse at Danny's camp. The five cell-mates, led by Rollo, who plans to kill Benny and dress him in Barker's clothes to throw off the police, execute an underwater prison escape, and head ...