David Mac Kenzie directs Natasha Richardson in this dark drama based on the novel by Patrick Mc Grath. In the 1950s, Stella (Richardson) follows her husband Max (Hugh Bonneville) when he takes up a post at a psychiatric hospital. Stella is soon drawn to charismatic inmate Edgar (Marton Csokas), & finds herself becoming increasingly obsessed with him. Despite the warnings from her husband & his superior, Dr Cleave (Ian Mc Kellan), Stella risks everything, including her sanity, to be with him.