Celine, a cold gallery owner, keeps her distance until her stepsister Lore returns from London. Lore deliberately seduces her, and Celine gradually gives in. Their forbidden affair unfolds secretly in the pool, the gallery, and the family home, growing more reckless and emotionally intense. What begins as teasing turns into mutual obsession, tenderness, and vulnerability. Celine finally lowers her guard and falls for Lore. Neither can stop, even as the risk of discovery grows.
