When young Robert Dudley, an earl's son, meets squire's daughter Amy Robsart, it is love at first sight. They marry despite parental misgivings, but their passion quickly fades, and the ambitious Dudley returns to court. Swept up in the turmoil of Tudor politics, Dudley is imprisoned in the Tower. Also a prisoner is Dudley's childhood playmate, the princess Elizabeth. In the shadow of the axe, their passion ignites.