Red Dead Redemption Episode 22: You Will Know The Truth And The Truth Will Set You Free

"John Marston is denied seeing his family once again by Agent Ross. He explains that they need to "take care of Dutch Van Der Linde now", and Marston has to help. With the help of the American Army, they attack his gang and move on to Dutch's hideout."
"After the armored car is blown up, John Marston has to reach Dutch Van Der Linde's fort in Cochinay by horseback following Ross and the American Army. After the long ride up into the mountains, Marston and his allies prepare for an attack on Dutch and his gang."