For art student Rory Howes and his friend Knut Olsen, a skiing holiday in the French Alps is interrupted by a freak mountain storm. Forced to take refuge in the remote Abbaye St. Christophe, they meet the beautiful and fascinating Baroness Inez Leyresse who offers them her generous hospitality. But for another occupant of the abbey, the English au pair Alex Amery, their arrival means company of her own age. While Rory acknowledges his growing love for Alex, the Baroness' passion for the young artist becomes obsessive and disturbing, an her behavior assumes ever more alarming proportions. Conscious of this uneasy love tangle, Rory also becomes aware of something far more sinister - the aura of undercurrent evil, which surrounds the abbey and its inhabitants. Gradually, they all realise that the centuries-old curse which has dogged generations of the Leyresse family is gaining a dreadful and terrifying relevance....