David is an occupational therapist who has recently arrived at a clinic for wealthy patients. One morning, he is entrusted with Madame Hansen-Bergmann, a wealthy woman suffering from transient amnesia and post-traumatic stress , with the mission of taking her to the nearby village to buy a new pair of shoes. Against his will, he embarks with her on a breathtaking chase during which he discovers the past life of his patient and the origins of the illness from which she suffers.