James Mistoll, one of the owners of a factory, and working on a process to turn copper ore into radium, falls from a window on the fourth floor and dies; This was no accident, but a murder. A detective sends his assistant, Barnes, to investigate and soon the number of suspects from within the company multiplies.

A medical student learns about a scheme to drug a girl and pass her off as an heiress to an oil fortune.

1933 film by Ewald André Dupont

A paroled convict's efforts to improve conditions at a boys' reform school alarm the school's corrupt warden, who has been embezzling funds from the institution. He hatches a plan to derail the reformed convict's efforts and have him sent back to prison, and part of that scheme involves cracking down hard on the reform school's inmates.

There's something to be said for finishing what you've started. That's why the gentile Captain Long John Silver is heading back to Treasure Island to see if he can unearth the cache of riches buried there by his colleague, Captain Flint. At the same time, he also hopes to bring to safety the governor's daughter and a young boy abducted by El Toro.

Surviving a plane crash in the Sahara, four oilmen find and manage to repair a German Afrika Corps tank which had been buried in the sand since WWII.

1921 film by Ewald André Dupont

A man who is believed to have murdered a woman, escapes from the insane asylum to find if he was the one to actually kill her using the scarf she was wearing.