End of the 19th century. Charming Ola McNewton, the daughter of the leader of a Scottish clan, goes to London for Queen Victoria's jubilee. For fun, a mischievous beauty pretends to be the princess of an imaginary country. Only this state exists! The minx is mistaken for a spy and thrown into prison. Her life is in danger! Who can rescue her? All hope lies with the Duke of Camborne, who fell in love with the beauty at first sight...