Zweite Hand (2015)

Clara journeys to the south of France to settle the affairs following the death of her twin sister, Yvonne. While at her sister's estate, Clara meets David, Yvonne's husband. Intending only to handle the necessary paperwork and leave her sister’s past behind, Clara finds herself drawn to David's way of life. Encouraged by him, she begins to assume Yvonne’s identity, and together they envision a new life. However, the arrival of Frank, a man claiming to be David's business associate, transforms their idyllic existence into a dangerous game of deception.