Director Allan Dwan’s excellent use of New York locations enlivens a rags-to-riches tale that fully exploits star George O’Brien’s championship boxing prowess.

The backdrop is fifteenth century France, and Charles, Duke of Burgundy has promised his daughter, Princess Mary, that she can marry the man she loves, Prince Maximilian of Styria. But when the Swiss threaten war, the duke is compelled to take back his word and he arranges for Mary to wed the half-witted dauphin of France's King Louis XI .

Mary Tudor falls in love with a new arrival to court, Charles Brandon. She convinces her brother King Henry VIII to make him his Captain of the Guard. Meanwhile, Henry is determined to marry her off to the aging King Louis XII of France as part of a peace agreement.

Prudence Cole is an unsophisticated Quaker girl being raised by her two aunts. Prudence is flirted with by snobbish Henry Garrison, who actually disdains the girl for her lack of worldliness and savoir faire. When Henry and his friends try to embarrass her at a posh resort, Prudence turns the tables on them.