Final answer:
In Part III of the story, Farquhar faces his execution. He falls from the bridge, experiences intense pain, and sees his executioners. The story ends with the realization that he did not escape execution.
Step-by-step explanation:
In Part III of the story, Peyton Farquhar faces his execution. As he falls from the bridge, he loses consciousness and later awakens to the pain of a sharp pressure on his throat. He experiences agonizing pains shooting through his body and limbs. He then sees the bridge, the fort, and his executioners. The soldiers point and shout at him, with the captain drawing his pistol. The story ends with the revelation that Farquhar's body is hanging beneath the bridge, indicating that he did not escape execution.