Ripe

When their abusive parents are killed in a car crash, twin sisters Rosie and Violet vow to run away to Kentucky in search of a better life. While on the road, the girls meet up with Pete, a drifter working as a grounds keeper on a derelict army base, who takes them in. While Violet falls for him, Rosie becomes increasingly angry and hostile, and the sisters' childhood bond is eventually destroyed forever (imdb)