A man tells a woman that they have met before - that they became lovers but then agreed to separate for a year. The year is now up, and he has come back for her. At first, she remembers nothing, but as he relates their past together, real or imaginary, snapshots of memory appear - and she begins to believe him. As more details begin to re-emerge from the woman's mind, the reader is shunted backwards and forwards between the past and the present,...