The fragile succession heralds dangerous times for the young Princess Elizabeth. Having narrowly avoided implication in Sir Thomas Seymour's attempted abduction of her sickly half-brother, the boy King Edward VI; she becomes an unintentional figurehead for a Protestant rebellion led by Thomas Wyatt the Younger when her half-sister Queen Mary I of England, a devout Roman Catholic, succeeds to the throne. Will the Princess Elizabeth survive her emotionally unstable half-sister's reign?