In the war-like times of Oliver Cromwell, in and around 'olde Oxford towne', Dutchman Karl Van Kerstenbrook, Dutch soldier-of-fortune and sword-for-hire, stands ready to defend his lady-love, the fair Thomsine Musgrove, and prove his nettle, and that his blade is made of the finest metal.

The disgrace and suicide of her father drives Eleanore Marston from her comfortable existence into a life as a department store clerk in New York. There she meets wealthy Powers Fiske, who offers her a life of luxury if she will consent to an operation on her brain which would deprive her of her memory.

Thrown out of his dad's house without a penny to his name, playboy J. Dabney Barron is told not to return until he has proven that he can keep a job for an entire month. After several false starts, our hero is hired to keep flighty heiress Betty Arden out of trouble. He not only succeeds but manages to get his hands on a valuable jewel that has long been coveted by his father.