Reformed jewel-thief Sophie Lang, tired of being questioned by the New York City police every time a jewel disappears, decides to head for California only to get into more trouble.

Working for a slick restaurateur who has fallen for her, a down-on-life songstress falls instead for a crusading crime reporter, unaware that her employer is the secret head of the city's major gambling machine racket and has a penchant for murdering anyone who gets in his way.

The struggle of a man to build a steam ship to take him across the Atlantic in spite of all setbacks, and his win against a crack sailing boat in the early 19th century.

A playwright descended from the Borgia family becomes a murder suspect.

The recently widowed Mary Stuart returns to Scotland to reclaim her throne but is opposed by her half-brother and her own Scottish lords.