Sonia Frey fears for her sanity. Her marriage ended in divorce after her husband tried to kill her. Added to this, an acid trip has disordered her senses - she can now 'feel' smells, 'see' sounds.<BR>To escape these worries, she takes a job as a physiotherapist at a newly re-opened hotel in a remote Alpine village in the Swiss Engadine. However, a series of unusual events throws her into disarray once more. The mystery deepens as she discovers a parallel to these occurrences in local folkloric tales of the supernatural. Can the legend of the Devil of Milan really be true? Or is the truth more sinister? Sonia's mind, already under pressure from her strange sensory awareness, is stretched to breaking point by the climate of paranoia developing around her.