A mad scientist uses captured criminals as experiments for his study on "the criminal mind" aboard his private ship.

A prison trustee rescues a despondent executioner from a bar-room brawl, and is blamed for the fight by a tabloid reporter who actually started it,...

Marshal Tim Smith is sent to Rawhide to battle rustlers. When the outlaw gang attempts to kill the new Marshal, they get the wrong man. Tim puts his...

Larry O'Neil, a ship's cook, finds and befriends stowaway Lois Austin, who is a fugitive from a murder charge. The ship's captain, Klodel, also finds...

The story concentrates on a travelling medicine show maintained by Bobby Clark and his relatives Minerva Urecal, Earle Hodgins and Joyce Bryant....