Untamed (1929)

When her rich oilman father is killed, Bingo, raised in the wilds of South America, inherits the company. Her guardians Ben and Howard send her to New York for civilizing but on the way she meets Andy, wonderful in every way but wealth. He can't live off her money, he says, as he turns to Marjory. Uncivilized Bingo, who hits anyone she disagrees with, shoots Andy in the arm. Now it's okay for him to marry her.