During seventeenth century, Jacob, a slave and cowherd in a Polish village, falls in love with Wanda, his master's daughter. Even after he is ransomed, he finds he can't live without her, and the two escape together to a distant Jewish community. Racked by his consciousness of sin in taking a Gentile wife and by the difficulties of concealing her identity, Jacob nonetheless stands firm as the violence of the era threatens to destroy them.