The son of a disgraced medieval nobleman is raised in poverty. With the support of a kindly earl, he gains the chance to train as a knight and reclaim his birthright, proving his worth by fighting to foil a plot to overthrow the king. Swashbuckling adventure, starring Tony Curtis, Janet Leigh, David Farrar and Barbara Rush.

In the days of King Henry IV, stalwart young Myles and his sister Meg have been raised as peasants, without any knowledge of who their father really was. But one day, they journey to Macworth Castle. There, Myles falls in love with Lady Anne Macworth, makes friends and enemies, and learns to be a knight.