?I have decided to write down everything that happens, because I feel, I suppose, I may be putting myself in danger.? London, 1965. An unworldly young woman believes that a charismatic psychotherapist, Collins Braithwaite, has driven her sister to suicide. Intent on confirming her suspicions, she assumes a false identity and presents herself to him as a client, recording her experiences in a series of notebooks. But she soon finds herself drawn into...