King Henry III is holding court at Kenilworth. Festivities abound, wine flows copiously, and spirits are high as the King and his subjects prepare to celebrate the nuptials of Sir Gaston de Blondeville. But the joyous mood is interrupted when a merchant, Hugh Woodreeve, comes distraught before the King to demand justice. His kinsman, he claims, was murdered, by the very man the King has come to honour -- Gaston de Blondeville!

Suspecting a conspiracy against Gaston, yet obliged to hold a trial to determine the truth of the allegations, Henry imprisons Woodreeve in a tower while awaiting a...