In 1604 Fawkes became involved with a small group of English Catholics, led by Robert Catesby, who planned to assassinate the Protestant King James and replace him with his daughter, third in the line of succession, Princess Elizabeth.
En 1604 Fawkes involucrouse cun pequeno grupo de católicos ingleses, liderados por Robert Catesby, que planeaban asasinar o rei protestante Xacobe I e substituílo pola filla deste, a princesa Isabel, terceira na liña de sucesión.