Gunpowder

Nobleman Robert Catesby attends a secret mass interrupted by the king's men, who perpetrate acts of barbarity against a young Jesuit priest and the lady of the house; Catesby vows to avenge his kin and defend his faith by any means necessary.

In 1603, as England wars with Spain and the bloody persecution of Catholics intensifies, a young nobleman resolves to avenge his kin and defend his faith by any means necessary.

Catesby and his men load the tunnels below Parliament with barrels of gunpowder; Father Garnet is visited by the Constable of Castile who pressures him to reveal Catesby's plot; Anne implores Catesby to flee the country.