Following the end of the acclaimed tv series, King Arthur will oppose Lancelot's army to get the throne back after his flee to Rome.

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.