The Adventuress (1950)

Left alone after her mother runs off with another man and her father kills himself, Elena attempts to make a new life for herself in a new city. Believing he's a friend, Elena goes to dinner with "Pretty Boy" Lucio, but he drugs her champagne and sells her to Rosaura, who runs a brothel out of her nightclub. Elena becomes a sensation as a dancer, but all the while she nurtures plans of revenge against those who have conspired against her.