Steal Away (1970)

Fanny, a naive teenager, starts her journey to adulthood when Cécile, a mysterious refugee, is taken in by her charitable family. As the two girls develop an intense and obsessive bond, Fanny becomes captivated by Cécile’s way of navigating life, leading to an awakening of desire and jealousy. Gradually, both girls realize that the benevolent world they inhabit is not what it appears.