Christopher Columbus overcomes intrigue at the Spanish court and convinces Queen Isabella that his plan to reach the East by sailing west is practical.

A train disaster is told in four short stories to give character studies of the people involved, how it will affect them and how they deal with it.

In Australia, five children pursue horse thieves through the mountains.

Famous Hollywood director Robert Grimble arrives in the antipodes to make an epic flick about pioneering women, and launches a quest to find a girl with "that certain something" for the main role.

A music-hall performer and her boyfriend find themselves caught up in the machinations of a trio of not particularly bright crooks.