Andrea Minghetti runs a California vineyard with the help of his pretty niece Bona, who cooks for the employees. A worker named Chico Piave, who belongs to a secret crime society, tries unsuccessfully to force himself on Bona, and later, he demands that Andrea give him both the young woman and a large sum in cash.

After Neila Pendleton's father dies, leaving his wife and daughter penniless, the avaricious Mrs. Pendleton decides to marry Neila to the highest bidder. At the cost of her daughter's reputation, Mrs. Pendleton accepts money from elderly broker Wilbur Simons, and later tries to force Neila into a marriage with a dissolute old millionaire named Hale Faxon.

Prince Tonio of Bothalia, a mythical kingdom in the Balkan Mountains, escapes an arranged marriage to Princess Athalia, the elderly daughter of a neighboring king. Filled with wanderlust, he becomes a sailor and goes to San Francisco where he meets a young singer...