International con artist Martha Hicks a.k.a. Countess von Claudwig is released from another stay in prison and decides to treat her rheumatism with a stay at her estranged husband's hotel at a Wisconsin spa. There undercover, she checks in on the two daughters she abandoned as infants. One wishes to marry an upstanding young man, but his priggish father wants him to marry money...
Falling in love with the aristocratic Sylvia Robertson (Elizabeth Allen), Max poses as a European prince, enlisting the aid of an amiable Ruritanian monarch (Lawrence Grossmith) who owes him a favor.