Walkthrough for The Demon Drink of Red Dead Redemption.
1. Go to D mark in the Map to meet Captain Vinecnte De Santa at the Escalera.
2. Mount up your horse and follow De Santa.
3. Go inside and kill everything that moves.
4. After killing everyone, pick up the bottles and throw them at the houses in Yellow Dots.
5. It's the last three houses on the other side of the entrance.