Isaiah was Samuel's and Samuel was Isaiah's. In the barn they tended to the animals, but also to each other, transforming the hollowed-out shed into a place of human refuge, a source of intimacy and hope in a world ruled by vicious masters. When an older fellow slave seeks to gain favor by preaching the master's gospel on the plantation, the enslaved begin to turn on their own. Isaiah and Samuel's love, which was once so simple, is seen as sinful...