We Loved Once and True - Chapter 2 , Red Dead Redemption 2
After receiving a letter from Mary Linton, Arthur Morgan heads to Chadwick Farm to hear what she has to say. In camp, Susan Grimshaw will inform Arthur that Mary sent a letter from Valentine. It is revealed the letter was picked up by one of the girls in camp, who was recognized by Mary as one of the gang members. Mary learned that the gang was camped near the town, and thus requested the letter to be delivered to Arthur.
