My American Wife(1922)

Manuel La Tessa, son of a wealthy South American family, meets Natalie Chester, a young Kentucky woman whose horse has won a race at a South American track. Manuel gives a party in her honor, where she is insulted by one of the guests. Manuel knocks down the offender. The offender, whose father is a powerful figure in the country's politics, challenges Manuel to a duel, but also hires a man to hide in ambush and kill his opponent. Manuel is only wounded and Natalie nurses him back to health. Natalie loves Manuel and seeks to uncover the mystery of the bullet fired at him during the duel. A lost film.