Gunpowder Season 1 Episode 3

On the eve of the 5th of November, Catesby, Fawkes and the plotters load the tunnels below Parliament with barrels of gunpowder. Across the city, Father Garnet is under pressure to reveal Catesby’s plot for the good of the Catholic faith. Will the priest be the one to betray Catesby at the eleventh hour?