001 - Act I

In a fascinating twist of fate, a gifted actor and historian tumbles from his horse during a historical reenactment, awakening to believe he is the legendary King Henry IV. For the next two decades, his devoted nephew, Count de Nolli, orchestrates an intricate ruse within the confines of a secluded villa, where a troupe of actors embodies Henrys court, reenacting the intrigues of the 11th century. When de Nollis ailing mother urges him to seek help, he invites a Doctor—a culmination of many who have come before—to attempt to restore the man who now lives as Henry. The entire dramatic narrative unfolds within the span of a single day. - Summary by Wikipedia