England in the early reign of James I: an unsteady nation adapts to its new king; Shakespeare labors over the tragedies of Othello and Macbeth; bearbaiting is a popular diversion . . . and Guy Fawkes, with a small group of desperate men, hatches a terrifying plot to assassinate the king and all of Parliament by explosion. Francis Quoynt is a firemaster who would rather make fireworks than war. Kate Peach is a poor glovemaker and a mistress...