Bonjour Tristesse (1958)

Cécile, a free-spirited young woman, basks in the hedonistic lifestyle she shares with her charming father, Raymond. Their carefree existence on the French Riviera takes a turn when Anne, a poised, elegant woman, arrives at their villa. As Anne's presence begins to challenge their decadent routine, Cécile grows increasingly anxious. Sensing that her beloved way of life is at risk, she embarks on a subtle yet dangerous campaign to protect it.