The Midnight Kiss(1926)

While vain Lenore Hastings busies herself with her romantic pursuits, Lenore's kid sister Mildred tries to keep the family of her boyfriend Thomas from going broke. Mildred works up a business arrangement, whereby she will sell Thomas' father's 250 pigs for a dollar each. Though Lenore is appalled by Mildred's "disgraceful" behavior, the younger girl quickly earns the respect of everyone in town