Prince Karl
Karl von Ahrmien is an impoverished German prince. He has agreed to marry Daphne Lowell, an older woman that he believes has a large fortune. However, he falls in love with her beautiful, widowed daughter-in-law, Florence Lowell. To escape his promised marriage, Karl fakes his own death, then pretends to be his own "foster brother", who happens to look identical to the prince. In this guise he takes a job as a courier working for Florence. She discovers his true identity, but keeps her knowledge a secret so he will remain in her service. Karl then discovers that the Lowells' supposed fortune is actually the property of one of Karl's own relatives who has died, and it is Karl's inheritance. With all of their secrets revealed, Florence and Karl agree to marry and share the fortune.