Miranda disguises herself as a man to overcome some of the dangers of travelling in 18th century England, only to find herself sharing a room in a coaching inn with the Marquis of Dornford. When the marquis discovers her identity, Miranda quickly turns it to her own advantage. She has run away to London and when she finally arrives it is in the marquis's carriage, employed by him as companion to his sister. But before Miranda can achieve her heart's desire she is punished thoroughly for her folly.