A body is found face down in a tank. Detective Inspector Iverson, investigating what seems like a routine case of suicide, becomes involved with the mesmerizing psychotherapist who was helping the dead woman find her true self. Gradually their roles are reversed as her probing uncovers the detective's own deeper motives and needs, until the knife-edge between suicide and murder is exposed.

• Charlotte Rampling
• Trevor Eve
• Mandy Lomax
• Steven Mackintosh
• Juliette Caton
• Anna Massey
• Bruce Alexander
• Peter Wingfield