On the trail, Joe witnesses a woman kill a man, but the woman rides away before he can positively identify her. He rides into the nearest town, Black River and reports the crime to Sheriff Gideon Yates, and the two ride out to find clues. They find a handkerchief embroidered with the letter "L". Sheriff Yates knows who the killer is, his wife Lydia. She married him before she got a legal divor