A successful American novelist who has retreated into the country following the publication of his most recent book meets a most mysterious muse in director/screenwriter Paul Auster's elliptic psychological drama. His latest novel an instant success, famous author Martin Frost (David Thewlis) decides to celebrate by spending some quality down time in a remote country home. Awakening his first morning in the house, Martin is shocked to find that he is sharing his bed with a stunningly beautiful woman. Over the course of the next few days, Martin becomes increasingly fascinated with the mysterious visitor's radiating beauty and acute intelligence - eventually falling deeply in love with her. Could this woman who possesses an uncanny knowledge of Martin's life and work perhaps be the muse who will inspire his greatest work? The closer Martin tries to get to the woman the further she seems to drift away, a disturbing development that eventually leads the author to suspect that she is a figment of his imagination or a ghost that has somehow gained access to his most intimate thoughts.