Red Dead Redemption Episode 16: Empty Promises

"John Marston approaches Colonel Allende's villa, where he is met by Captain De Santa. He's told that they've been betrayed and that Marston needs to come with him at once."
"Luisa Fortuna is distraught because Abraham Reyes, the leader of the rebels and her lover, has been captured and sentenced to execution by the Mexican Army. Luisa begs Marston to help rescue Reyes and save the rebellion."