This is the story of a crucial year in the history of England, brimming with great political and social upheaval: the year 1603.1603 was a time of last goodbyes and new beginnings; of waning customs and fresh political and constitutional visions. It saw an aged queen die and a king from the far north rise as sovereign over a foreign nation.It also witnessed an unprecedented outbreak of bubonic plague, which began in London and spread indiscriminately through the provinces, killing up to 30,000 people.Catholicism was a second major disease doing the rounds in 1603. Its presence would lead to an attempt to dethrone King James I in the very first months of his reign, culminating in a trial staged at Winchester Castle in November.One of the candidates the conspirators had in mind to replace him was the would-be queen Lady Arbella Stuart. Indeed, Arbella would bring her own dramas to an already crowded and politically and socially charged year.The present work considers the entirety of the