The lady had now brought the water, which the soldier drank. He thanked her ceremoniously, bowed to her husband and rode away. An hour later, after nightfall, he re-passed the plantation, going northward in the direction from which he had come. He was a Federal scout.

Based on the excerpt, which is the most reasonable plot prediction?
Farquhar may unknowingly walk into a trap.
Farquhar will pursue the soldier from the North.
Farquhar and the soldier may engage in an altercation.
Farquhar and his wife will forget about the soldier.