 A conspiracy, which involved many leading men of the Independence era, to overthrow Francia, was planned for the last days of the Holy Week of 1820.Francia learned about the plot from two slaves that denounced their master for making gunpowder and from a confession of a conspirator to his priest on Holy Week and arrests started.All the heroes of Independence were arrested, even those who had voluntarily renounced any political activity, such as Fulgencio Yegros.