The Dangerous Maid (1923)

The tale of a madcap maid in days of old when knights were bold- you'll learn a thing or two from this flapper of 1662

Barbara Winslow helps her rebel brother, Rupert, escape from the king's forces by disguising herself as him. Captain Prothero captures her, but he has fallen for Barbara's charms so he lets her go. As a result they are both arrested and imprisoned.