King Humphrey has decided it's time for his son, Prince Nicholas, to marry. But he must make sure the bride is a real princess. So he devises a series of princess tests, designed to weed out the phonies and the fakes. Meanwhile, Nicholas has fallen in love with Lorelei, a mere blacksmith's daughter. She's no princess, but he wants to marry her all the same--but how will she ever pass the terrible tests?