Marilyne and Bruno Caron, a couple from the northern part of France, decide to move into a chalet they have rented from Patrick Castang, a local property promoter. Initially, they are excited about their new life in the mountains, but soon face numerous disappointments as Castang has to temporarily place them in another grand chalet due to incomplete construction. This series of setbacks leads to frequent relocations and growing resentment towards the Castangs, fueled by jealousy, envy, and frustration. The once harmonious relationship between the two families gradually turns into a bitter enmity. The story revolves around their journey from the comfort of their former lives in the north of France to the unexpected challenges of their new life in the mountains, highlighting the complexities of family dynamics and the transformative power of adversity.